共 50 条
- [41] Boundedness of solutions and existence of invariant tori for generalized pendulum type equation CHINESE SCIENCE BULLETIN, 1997, 42 (20): : 1673 - 1675
- [46] ON SOME PERIODIC SOLUTIONS OF LIENARD EQUATION IEEE TRANSACTIONS ON CIRCUIT THEORY, 1966, CT13 (04): : 419 - &
- [47] ON CONVERGENCE OF SOLUTIONS OF FORCED LIENARD EQUATION JOURNAL OF MATHEMATICS AND PHYSICS, 1965, 44 (03): : 284 - &