共 10 条
- [1] Coddington E. A., 1955, THEORY ORDINARY DIFF
- [2] COURANT R, 1962, METHODS MATHEMATICAL, V2
- [3] DRIVER RD, 1966, MATH REV, V32, P459
- [4] ELSGOLC LE, 1964, ASM T MATH MONOGR, V12, P213
- [5] ELSGOLC LE, 1966, INTRODUCTION THEORY
- [7] Garabedian P., 1964, PARTIAL DIFFERENTIAL
- [8] GUL IM, 1962, T SEMINARA TEORII DI, V1, P94
- [9] LEAU, 1894, COMPT REND ACAD SCI, V119, P901
- [10] WLOKA J, 1959, J REINE ANGEWANDTE M, V202, P107