共 50 条
- [41] The existence of positive periodic solutions for periodic feedback control systems with delays ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, 2004, 84 (06): : 425 - 430
- [45] Existence of Periodic Solutions for a Nonlinear Discrete p-Laplacian System PROCEEDINGS OF THE 44TH INTERNATIONAL CONFERENCE "APPLICATIONS OF MATHEMATICS IN ENGINEERING AND ECONOMICS", 2018, 2048