无穷时滞泛函微分方程正周期解的存在性与多解性

孙涛;刘超;段晓东;

Existence and multiplicity of positive periodic solutions to functional differential equations with infinite delay

Sun, Tao (1); Liu, Chao (1); Duan, Xiao-Dong (2)

东北大学学报(自然科学版) . 2007, (5): 757 -760 . DOI: -