共 30 条
- [1] Ambrosetti A., 1973, Journal of Functional Analysis, V14, P349, DOI 10.1016/0022-1236(73)90051-7
- [4] Benci V., 1998, TOPOL METHOD NONL AN, V11, P283
- [8] Feng X., 2020, Z ANGEW MATH PHYS, V71, P1
- [9] Gao YP., 2015, ELECTRON J DIFFER EQ, V118, P11