共 50 条
- [5] 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 - &
- [10] New periodic solutions to a kind of nonlinear wave equations [J]. Wuli Xuebao/Acta Physica Sinica, 2002, 51 (01):