共 12 条
- [1] AGMON S, 1959, COMM PURE APPL MATH, V12
- [2] CELLINA A, 1969, ATTI ACCAD NAZ LIN, V47, P434
- [3] CHANG KC, 1978, SCI SINICA, V21, P139
- [4] Friedman A., 1969, PARTIAL DIFFERENTIAL
- [5] Gilbarg D, 1977, ELLIPTIC PARTIAL DIF, V224
- [6] Ladyzhenskaya OA, 1968, LINEAR QUASILINEAR E
- [7] MASSABO I, 1978, J MATH ANAL APPL, V66
- [9] PROTTER M. H, MAXIMUM PRINCIPLES D
- [10] RABINOWITZ PH, 1973, INDIANA U MATH J, V23