共 10 条
- [2] COFFMAN CV, 1968, J MATH MECH, V18, P411
- [3] COFFMAN CV, TO BE PUBLISHED
- [4] EDWARDS RE, 1965, FUNCTIONAL ANALYSIS
- [5] Krasnosel'skii M., 1964, TOPOLOGICAL METHODS
- [6] Moore R. A., 1959, T AM MATH SOC, V93, P30
- [8] NEHARI Z, 1959, MATH Z, V72, P175
- [9] Nehari Z., 1960, T AM MATH SOC, V95, P101
- [10] Vainberg M.M., 1964, VARIATIONAL METHODS