共 50 条
- [41] EXISTENCE OF POSITIVE PERIODIC SOLUTIONS OF FIRST-ORDER NEUTRAL DIFFERENTIAL EQUATIONS [J]. HONAM MATHEMATICAL JOURNAL, 2018, 40 (01): : 1 - 11
- [43] Bifurcation of positive periodic solutions of first-order impulsive differential equations [J]. Boundary Value Problems, 2012
- [49] On Estimation for Numbers of Periodic and Almost Periodic Solutions of First-Order Ordinary Differential Equations [J]. INTERNATIONAL CONFERENCE ON NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2019, 2020, 2293