共 50 条
- [5] Solvability of the periodic problem for higher-order linear functional differential equations [J]. Differential Equations, 2015, 51 : 571 - 585
- [7] DUALITY PRINCIPLES IN CASE OF PROBLEM OF PERIODIC SOLUTIONS TO HIGHER-ORDER DIFFERENTIAL EQUATIONS [J]. DOKLADY AKADEMII NAUK SSSR, 1965, 165 (02): : 277 - &
- [8] On Periodic Solutions of Higher-Order Functional Differential Equations [J]. Boundary Value Problems, 2008