[BP1] V. F. Bakenko and S. A. Pichugov, Accurate inequality for the derivative of trigonometric polynomials which have real zeros, Math. Zametki. 39(1986), 330-336. (in Russian)
[BP2] V. F. Bakenko and S. A. Pichugov,Inequality for the derivative of polynomials with real zeros, Ukrain. Math. Zh. 38(1986),411-416. (in Russian)
[BS] W. O. Bary and C. V. Stanojevic, On weighted integrability of trigonometric series and L~1-convergence of Fourier series, Proc. Amer. Math. Soc., 96(1986), 53-61.
[Be] A. S. Belov, On sequential estimate of best approximation and moduli of continuity by sums of trigonometric series with quasimonotone coefficients, Matem. Zemetik, 51(1992),132-134. (in Russian)
[Bo] R.P. Boas Jr, Integrability of trigonometric series. Ⅲ, Quart. J. Math. Oxford Ser., 3(2)(1952),217-221.
[B] B. D. Banjnov, Polynomial inequalities, in "Open Problems in Approximation Theory" (B. Banjnov, Ed.), P25-42, SCT, Singapore, 1993.
[BZ] P. B. Borwein and S. P. Zhou, The usual behavior of rational approximation, Ⅱ, J. Approx. Theory (72)1993, 278-289.
[C] F. L. Cao, Pointwise and global estimates for reciprocals of polynomials with positive coffecients,应用数学16(2003), 65-69.
[CJ] T. W. Chaundy and A. E. Jolliffe, The uniform convergence of a certain class of trigonometric series, Proc. London Math. Soc., (15)(1916), 214-216.
[CT] B. L. Chalmers and G. D. Taylor, Uniform approximation with constraints, Jber. d. Dtsch. Math. Verein 81(1979), 49-86.
[D] R. A. DeVore, The approximation of continuous functions by positive linear operators, Lecture Notes in Math., 293, Springer-Verlag, 1972.
[DLY] R. A. DeVore, D. Leviatan and X. M. Yu, V approximation by reciprocals of trigonometric and algebraic polynomials, Canad. Math. Bull. 33(1990), 460- 469.
[DL] X. Q. Ding and P. Z. Luo, Ba spaces and some estimates of Laplace operatro, J. sys. Sci. Math. Sci., 1(1981): 9-33.
[DJ] Z. Ditzian and D. Jiang, Approximation of functions by polynomials in C[-1,1], Can. J. Math., (5)1992, 924-140.
[DT] Z. Ditzian and V. Totik, Moduli of Smoothness,Springer-Verlag, 1987.
[DS] P. D. Dragnev and E. B. Saff, Open problems in approximation theory, TAMPA'96,East. J. Approx. 2(1996),499-517.
[E] T. Erdelyi, Notes on inequalities with doubling weights, J. Approx. Theory 100(1999),60-72.
[Er] J. Erod, Bizonyos polinomok maximumair 61, Math. Fiz. Lapok 46(1939), 58-82.
[H] P. Hey wood, On the integrability of functions defined by trigonometric series, Quart. J. Math. Oxford Ser., 5(2)(1954),71-76.
[HKY] Y. K. Hu, K. Kopotun and X. M. Yu, On positive and copositive polynomial and spline approximation in L_[-1,-1]~p,0< p <∞, J. Approx. Theory 86(1996), 320-334.
[KL] V. G. Krotov and L. Leindler, On strong summability of Fourier series and the class H~ω, Acta Sci. Math.(Szeged), 40(1978), 93-98.
[LZ1] R. J. Le and S. P. Zhou, A new condition for the uniform convergence of certain trigonometric series, Acta Math. Hungar., 108(2005),161-169.
[LZ2] R. J. Le and S. P. Zhou, On L~1 convergence of Fourier series of complex valued functions, Acta. Sci. Math. (Szeged), to appear.
[L1] L. Leindler, On the uniform convergence and boundedness of a certain class of sine series, Anal. Math., 27(2001), 279-285.
[L2] L. Leindler, A new class of numerical sequences and its applications to sine and cosine series, Anal. Math., 28(2002),279-286.
[L3] L. Leindler, Generalization of inequalities of Hardy and Littlewood, Acta Sci. Math. (szeged), 31 (1970), 279-285.
[L4] L. Leindler, Embedding results pertaining to strong approximation of Fourier series Ⅲ, Anal. Math., 23(1997),273-281.
[L5] L. Leindler, Relations among Fourier series and sum-functions, Acta Math. hungar., 104(2004), 171-183.
[L6] L. Leindler, On cosine series with positive coefficients, Acta. Math. Acade. Sci. Hungar., 22(1971), 397-406.
[LLS] D. Leviatan and A. L. Levin and E. B. Saff, On approximation in the L~p-norm by reciprocals of polynomials, J. Approx. Theory 57(1989), 322-331.
[LeLu] D. Leviatan and D. S. Lubinsky, Degree of approximation by rational functions with prescribed numerator degree, Canad. J. Math. 46(1994), 619-633.
[LvLu] A. L. Levin and D. S. Lubinsky, Christoffel functions, orthogonal polynomials, and Navai's conjecture for Freud weights, Constr. Approx. 8(1992), 463-535.
[LS1] A. L. Levin and E. B. Saff, Degree of approximation of real functions by reciprocals of real and complex polynomials, SIAM J. Math. Anal. 19(1988), 233-245.
[LS2] A. L. Levin and E.B. Saff, Some examples in approximation on the unit disk by reciprocals of polynomials, Approximation Theory, Tampa (Tampa, Fla., 1985-1986), 70-82.
[Lo] G. G. Lorentz, Approximation of functions, Holt, Rinehart and Winston, New York, 1966.
[L] K. N. Lungu, Best approximation of |x| by rational functions of the form 1/P_n(x), Siberian Math. J. 15(1974), 1152-1156.
[MS] G. Mastroianni and J. Szabados, Jackson-type theorems on a finite interval with weights having non-symmetric inner singularities, Acta Math. Hungar., 102(2004), 321-336.
[MT] G. Mastroianni and V. Totik, Weighted polynomial inequalities with doubling weights and A_∞ weights, Constr. Approx., 16(2000), 37-71.
[M] S. M. Mazhar, On strong approximation of continuous functions, Anal. Math., 29(2003), 281-287.
[M1] 梅雪峰,L_[-1,1]~p(1≤p<∞)空间中复系数多项式的倒数逼近,工程数学学报20(2003),111-114.
[M2] 梅雪峰,有理逼近若干构造问题,浙江大学博士学位论文,杭州,2001年5月。
[MZ1] X.F.Mei and S.P.Zhou(梅雪峰,周颂平),Approximation by rational functions with prescribed numerator degree in L~p spaces for 1
[MZ2] X. F. Mei and S. P. Zhou(梅雪峰,周颂平), Approximation by reciprocals of polynomials with positive coffcients in L_[0,1]~p(1
[MZ3] 梅雪峰,周颂平,L_[0,1]~1空间正系数多项式的倒数逼近,数学学报,待发表.
[MM] G. V. Milovanovic and T. M. Rassias, New development on Turán extremal problems for polynomials, In: Approximation Theory: In memory of A. K. Varma, Marcel Dekker, Inc., New York, 1998, 433-447.
[Min] G. Min, Inequalities for the derivatives of rational functions with real zeros, Acta Math. Hungar., 82(1999), 11-20.
[N] J. R. Nurcombe, On the uniform convergence of sine series with quasimonotone coefficients, J. Math. Anal. Appl., 166(1992), 577-581.
[S1] V. B. Stanojevic, L~1-convergence of Fourier series with complex quasimonotone coefficients, Proc. Amer. Math. Soc., 86(1982), 241-247.
[S2] V. B. Stanojevic, Convergence of Fourier series with complex quasi-monotone coefficients of bounded varation of order m, J Math. Anal. Appl., 115(1986), 482-505.
[S3] V. B. Stanojevic, L~1-convergence of Fourier series with O-regularly varying quasi-monotone coefficients, J Approx. Theory, 60(1990), 168-173.
[TF] S. A. Telyakovskii and G. A. Fomin,On the convergence in the L metric of Fourier series with quasi-monotone coefficients, Proc. Steklov. Inst. Math., 134(1975). 351-355.
[Ti] S. Tikhonov, On belonging of trigonometric series to Orlicz space, J. Inequal. Pure and Appl. Math., 5(2004):1-7.
[T] P. Turin, Uber dir ableitung yon polynomen, Compositio Math. 7(1939),89-95.
[S] 盛宝怀,Kantorovic算子在Ba-Besov空间中的饱和类,应用数学学报,25(2005),392-401.
[V1] A. K. Varma, An analogue of some inequality of P. Turán concerning algebraic polynomials satisfying certain conditions, Proc. Amer. Math. Soc. 55(1976), 305-309.
[V2] A. K. Varma, An analogue of some inequality of P. Tarán concerning algebraic polynomials having all zzeros inside [-1, 1], Proc. Amer. Math. Soc. 69(1978), 25-33.
[V3] A. K. Varma, Some inequalities of algebraic polynomials having all zzeros inside [-1, 1], Proc. Amer. Math. Soc. 88(1983), 227-233.
[W] J. L. Walsh, On approximation to an analytic function by rational functions of best approximation, Math. Z. 38(1934), 163-176.
[WZ] J. L. Wang and S. P. Zhou, The weighted Turán type inequality for generalized Jacobi weights, Bull. Austral. Math. Soc. 66(2002), 259-265.
[XXZ] W. Xiao, T. F. Xie and S. P. Zhou, The best approximation rate of certain trigonometric series, Ann. Math. Sinica, 21(A)(2000), 81-88.
[XZ1] W. Xiao and S. P. Zhou, On weighted Turdn type inequality, Glasnik Math. 54(1999), 197-202.
[XZh1] T. F. Xie and S. P. Zhou, On certain trigonometric series, Analysis, 14(1994), 227-237.
[XZh2] T. F. Xie and S. P. Zhou, L~1-approximation of Fourier series of complex valued functions, Proc. Royal Soc. Edinburgh., 126A(1996), 343-353.
[X] 许贵桥,利用正系数多项式的倒数逼近非负连续函数的一个收敛估计,工程数学学报13(1996),112-116.
[Y] W. H. Young, On the Fourier series of bounded variation, Proc. London Math. Soc., 12(1913), 41-70.
[YW] D.S. Yu and B. R. Wei, On Turán type inequality with doubling weights and A~* weights, J. Zhejiang Univ. SCIENCE, 6A(2005), 764-768.
[YZ1] D. S. Yu and S. P. Zhou, On approximation by rational functions with prescribed numerator degree in L~p spaces, Acta Math. Hungar., accepted.
[YZ2] D. S. Yu and S. P. Zhou, Copositive approximation by rational functions with prescribed numerator degree, to appear.
[YZ3] D. S. Yu and S. P. Zhou, Approximation by rational functions with polynomials of positive coefficients as the denominators, to appear.
[YZ4] 虞旦盛,周颂平,分母为正系数多项式的有理函数逼近,待发表。
[YZ5] D. S. Yu and S. P. Zhou, Pointwise and global estimate for approximation by rational functions with prescribed numerator degree, to appear.
[YZ6] D. S. Yu and S. P. Zhou, On the global and pointwise estimate for approximation by rational functions with polynomials of positive coefficients as the denominators, to appear.
[YZ7] D. S. Yu and S. P. Zhou, Turdn type inequality for rational functions with prescribed poles. Acta Math. Hungar.108(2005), 319-325.
[YZ8] 虞旦盛,周颂平,有理逼近的一些最新进展(Ⅱ)-倒数逼近的研究综述,数学进展,34(2005),269-280.
[YZ9] D. S. Yu and S. P. Zhou, A new generalization of monotonicity and its applications, to appear.
[YZ10] D. S. Yu and S. P. Zhou, Remarks on strong approximation of continuous functions, to appear.
[YZ11] 虞旦盛,周颂平,三角级数属于Ba空间的充要条件,待发表。
[YZ12] D. S. Yu and S. P. Zhou, On relations among Fourier coefficients and sumfunctions, to appear.
[ZZ] Y. Zhao and S. P. Zhou, Approximation by reciprocals of polynomials with positive coefficients in L~p spaces, Acta Math Hungar. 92(2001), 205-217.
[Z1] S. P. Zhou, Approximation by reciprocals of polynomials with positive coefficients, Southeast Asian Bull. Math. 28(2004), 773-781.
[Z2] S. P. Zhou, On Turdn type inequality in L_p-norm, J. Hangzhou Univ. 11(1984),28-33.
[Z3] S. P. Zhou, an extension of the Turán type inequality in L~p for 0
[Z4] S. P. Zhou, Some remarks on Turdn type inequality, J. Approx. Theory, 68(1992),45-48.
[Z5] S. P. Zhou, Some remarks on Turán type inequality Ⅱ, J. Math. Anal. Appl. 180(1993),138-143.
[Z6] S. P. Zhou, Some remarks on Turán type inequality Ⅲ: the completion, Anal. Math. 21(1995),313-318.
[ZL1] S. P. Zhou and R. J. Le, Some remarks on the best approximation rate of certain trigonometric series, Acta. Math. Hungar, to appear.
[ZL2] S. P. Zhou and R. J. Le, A new condition and applications in Fourier analysis, Ⅱ. Advan. Math.(Beijing), to appear.
[ZL3] S. P. Zhou and R. J. Le, A Remark on "Two-sided" monotonicity condition: An application to L~p convergence, to appear.
[ZY] 周颂平,虞旦盛,有理逼近的一些最新进展,数学进展,32(2003),141-156.
[ZhY] 庄亚栋,俞兴泰,Ba空间的一些性质,数学物理学报,9(1989),407-413.
[Zy] A. Zygmund, Trigonometric Series, (2nd. ed.), Vol. 1, Cambridge Univ. Press, Cambridge, 1959.