共 50 条
- [31] The existence of solutions of periodic BVP for second order impulsive differential equations [J]. JOURNAL OF INEQUALITIES AND APPLICATIONS, 2013,
- [35] Periodic and subharmonic solutions for second order p-Laplacian difference equations [J]. PROCEEDINGS OF THE INDIAN ACADEMY OF SCIENCES-MATHEMATICAL SCIENCES, 2011, 121 (04): : 457 - 468
- [36] Periodic solutions of singular second order equations at resonance [J]. Acta Mathematica Sinica, English Series, 2015, 31 : 1599 - 1610