共 13 条
[1]
[Anonymous], 1982, Differ. Uravn.
[3]
Bainov D.D., 1998, J APPL MATH STOCH AN, V11, P95, DOI [10.1155/S1048953398000082, DOI 10.1155/S1048953398000082]
[4]
Bainov D.D., 1998, GEORGIAN MATH J, V5, P201, DOI DOI 10.1023/B:GEOR.0000008120.87888.83
[5]
Berezansky L., 1996, COMM APPL NONLINEAR, V3, P61
[9]
GYORI I, 1991, OSCILIATION THEORY D