共 50 条
- [2] Periodic Solutions of a Class of Nonlinear Systems of Ordinary Differential Equations [J]. Differential Equations, 2004, 40 : 502 - 514
- [4] Periodic Solutions of Nonlinear Nonautonomous Systems of Ordinary Differential Equations [J]. Differential Equations, 2001, 37 : 598 - 602
- [10] CESARI EQUATION AND GALERKIN METHOD FOR FINDING PERIODIC SOLUTIONS OF ORDINARY DIFFERENTIAL EQUATIONS [J]. DOPOVIDI AKADEMII NAUK UKRAINSKOI RSR SERIYA A-FIZIKO-MATEMATICHNI TA TECHNICHNI NAUKI, 1970, (07): : 583 - &