RT Journal T1 Positive Ground State Solutions for Nonlinear Critical Kirchhoff Type Problem A1 Yiqun Cheng,Kaimin Teng PB Acta mathematica scientia,Series A FD 2021-06-01 YR 2021 JF Acta mathematica scientia, Series A JO Acta mathematica scientia,Series A VO 41 IS 3 SP 666 DO K1 ;Kirchhoff type problem;Critical nonlinearity;Ground state LK {http://121.43.60.238/sxwlxbA/EN/article/article_16418.shtml}