RT Journal T1 Multiple Positive Solutions for a Quasilinear Elliptic System Involving the Caffarelli-Kohn-Nirenberg Inequality and Nonlinear Boundary Conditions A1 Qin Li,Zuodong Yang PB Acta mathematica scientia,Series A FD 2020-12-26 YR 2020 JF Acta mathematica scientia, Series A JO Acta mathematica scientia,Series A VO 40 IS 6 SP 1634 DO K1 ;Quasilinear elliptic system;Caffarelli-Kohn-Nirenberg inequality;Nonlinear boundary conditions;Nehari manifold LK {http://121.43.60.238/sxwlxbA/EN/article/article_16271.shtml}