RT Journal T1 EXISTENCE OF A GROUND STATE SOLUTION FOR THE CHOQUARD EQUATION WITH NONPERIODIC POTENTIALS* A1 Yuanyuan Luo, Dongmei Gao, Jun Wang PB 数学物理学报(英文版) FD 2023-02-25 YR 2023 JF Acta Mathematica Scientia JO 数学物理学报(英文版) VO 43 IS 1 SP 303 DO 10.1007/s10473-023-0117-4 K1 Choquard equation;ground state solution;critical points;variational methods LK {http://121.43.60.238/sxwlxbB/CN/article/article_16919.shtml}