共 50 条
- [22] CLASS OF NONLINEAR SINGULAR CAUCHY PROBLEMS COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES SERIE A, 1974, 279 (23): : 819 - 822
- [23] Interpolation perturbation method for solving a class of weakly nonlinear oscillation problems Ying Yong Li Xue Xue Bao/Chinese Journal of Applied Mechanics, 1997, 14 (03): : 115 - 119