共 10 条
- [1] AMANN H, NONTRIVIAL SOLUTIONS
- [2] BERGER MS, 1978, NONLINEARITY FUNCTIO
- [3] Castro A., 1979, ANN MAT PUR APPL, V120, P113
- [4] Conley C., 1978, CBMS REGIONAL C SERI, V38
- [5] Marino A., 1975, BOLL UMI, V11, P1
- [6] MORSE M, 1969, CRITICAL POINT THEOR
- [7] NUSSBAUM R, 1975, J MATH ANAL APPLIC, V5, P461
- [10] [No title captured]