Periodic oscillations of forced pendulum-like equations. (English) Zbl 0517.34029
Ordinary and partial differential equations, Proc. 7th Conf., Dundee/Scotl. 1982, Lect. Notes Math. 964, 458-476 (1982).
MSC:
34C15 | Nonlinear oscillations and coupled oscillators for ordinary differential equations |
34C25 | Periodic solutions to ordinary differential equations |