Multiplicity of solutions for a class of critical Schrödinger-Poisson systems on the Heisenberg group - Li, Shiqi; Song, Yueqiang (Open mathematics (Warsaw, Poland), 2023)
Keywords: 35J20; 35R03; 46E35; concentration compactness principles; Heisenberg group; limit index; Schrödinger-Poisson-type system; variational methods