Lei, Jinzhi; Li, Xiong; Yan, Ping; Zhang, Meirong Twist character of the least amplitude periodic solution of the forced pendulum. (English) Zbl 1189.37064 SIAM J. Math. Anal. 35, No. 4, 844-867 (2003). Cited in 30 Documents MSC: 37J25 Stability problems for finite-dimensional Hamiltonian and Lagrangian systems 34D20 Stability of solutions to ordinary differential equations 34C25 Periodic solutions to ordinary differential equations Keywords:forced pendulum; periodic solution; third order approximation; twist coefficient; twist character PDF BibTeX XML Cite \textit{J. Lei} et al., SIAM J. Math. Anal. 35, No. 4, 844--867 (2003; Zbl 1189.37064) Full Text: DOI OpenURL