where science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0898122116000109&_mathId=si2.gif&_user=111111111&_pii=S0898122116000109&_rdoc=1&_issn=08981221&md5=13113ea056a2b973cfbdcbb5c97d04c1" title="Click to view the MathML source">N≥3, science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0898122116000109&_mathId=si3.gif&_user=111111111&_pii=S0898122116000109&_rdoc=1&_issn=08981221&md5=f19edcf964eb59b4faa907fabb187adc">, science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0898122116000109&_mathId=si4.gif&_user=111111111&_pii=S0898122116000109&_rdoc=1&_issn=08981221&md5=3ceaf51bb0f98da062a5c8deafec0248"> and science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0898122116000109&_mathId=si5.gif&_user=111111111&_pii=S0898122116000109&_rdoc=1&_issn=08981221&md5=6694e0b109ddedc0ca71ec166e230a79" title="Click to view the MathML source">λ>0 is a parameter. By using a change of variable, the quasilinear equation is reduced to a semilinear one, whose associated functional is well defined in science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0898122116000109&_mathId=si6.gif&_user=111111111&_pii=S0898122116000109&_rdoc=1&_issn=08981221&md5=63e7ad1988db50e06e52ffb2418f0266" title="Click to view the MathML source">H1(RN). We establish the existence of positive solutions for this problem by using the Mountain Pass Theorem in combination with the concentration-compactness principle under appropriate assumptions on science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0898122116000109&_mathId=si7.gif&_user=111111111&_pii=S0898122116000109&_rdoc=1&_issn=08981221&md5=d8e2f89e577a0e2e989d2547a780addd" title="Click to view the MathML source">V(x) and science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0898122116000109&_mathId=si8.gif&_user=111111111&_pii=S0898122116000109&_rdoc=1&_issn=08981221&md5=55e2c4140bcf6d7ea4af7fb61d08cb65" title="Click to view the MathML source">f(x,u). Recent results from the literature are improved and extended.