共 21 条
- [1] AHLBRANDT CD, 1987, OSCILLATION BIFURCAT, V8, P3
- [2] AHLBRANDT CD, QUALITATIVE PROPERTI, P15
- [3] AHLBRANDT CD, 13TH P MIDW DIFF EQ, P1
- [4] BUTLER GJ, 1987, T AM MATH SOC, V302, P263
- [5] BYERS R, 1986, J DIFFER EQUATIONS, V61, P263
- [6] CHEN S, J MATH ANAL APPL
- [7] COPPEL WA, 1971, LECTURE NOTES MATH, V220
- [8] ETGEN GJ, 1978, OPTIMAL CONTROL DIFF, P245
- [9] HARTMAN P, 1978, T AM MATH SOC, V246, P1
- [10] Hartman P., 2002, ORDINARY DIFFERENTIA, V2