共 12 条
- [1] Ambrosetti A., 1973, Journal of Functional Analysis, V14, P349, DOI 10.1016/0022-1236(73)90051-7
- [3] CRITICAL-POINT THEOREMS FOR INDEFINITE FUNCTIONALS [J]. INVENTIONES MATHEMATICAE, 1979, 52 (03) : 241 - 273
- [4] BENCI V, 1980, COMMUNS PURE APPL MA, V33
- [5] Cerami G., 1978, RC I LOMB SCI LETT, V112, P332
- [7] Lakshmikantham V., 1969, DIFFERENTIAL INTEGRA, V1
- [8] Lions Jacques-Louis, 1969, QUELQUES METHODES RE
- [9] PALAIS RS, 1970, J MATH MECH, V19, P609
- [10] Rabinowitz P., 1986, CBMS REGIONAL C SER