共 24 条
- [1] Agarwal R.P., 2004, Nonoscillation and oscillation: Theory for functional differential equations, Monographs and
- [2] Agarwal R. P., 2002, Oscillation Theory for Second Order Linear, Half Linear, Superlinear and Sublinear Dynamic Equations
- [3] Agarwal RP, 2014, CARPATHIAN J MATH, V30, P1
- [7] Dzurina J., 2007, ACTA ELECTROTECHNICA, V7, P26
- [8] Erbe L., 1995, Oscillation theory for functional differential equations, DOI DOI 10.1201/9780203744727
- [9] Grace S.R., 1987, Rat. Math, V3, P77
- [10] Hale J. K, 1977, THEORY FUNCTIONAL DI