共 23 条
[1]
Agarwal R., 2000, Oscillation theory for difference and functional differential equations, DOI [10.1007/978-94-015-9401-1, DOI 10.1007/978-94-015-9401-1, 10.1007/978- 94-015-9401-1]
[2]
Agarwal R.P., 2004, Nonoscillation and oscillation: Theory for functional differential equations, Monographs and
[3]
[Anonymous], 1985, RAD
[6]
Hale J., 1977, Theory of Functional Differential Equa- tions, VSecond, DOI [10.1007/978-1-4612-9892-2, DOI 10.1007/978-1-4612-9892-2]
[8]
Hardy G.H, 1988, Inequalities
[9]
Hasanbulli M, 2007, MATH INEQUAL APPL, V10, P607