Perturbation Theory for Dual Cosine Function(Ⅱ)—Time-dependent Perturbation in the Sun-reflexive Case
丁天彪
Perturbation Theory for Dual Cosine Function(Ⅱ)—Time-dependent Perturbation in the Sun-reflexive Case
Ding Tianbiao
数学季刊 . 1996, (2): 82 -84 .