共 18 条
[1]
Abdeljawad T., 2014, CONFORMABLE FRACTION
[2]
Agarwal R.P., 2004, Nonoscillation and oscillation: Theory for functional differential equations, Monographs and
[3]
Agarwal R. P., 2002, Oscillation Theory for Second Order Dynamic Equations
[4]
ERBE L.H., 1995, OSCILLATION THEORY F
[5]
Feng Q., IAENG INT J APPL MAT, V43, P154
[6]
Feng Qinghua, 2013, ELECT J DIFFERENTIAL, V169
[10]
Lomtatidze A., 1999, GEORGIAN MATH J, V6, P285