共 50 条
- [1] Solutions and Periodic Solutions for Nonlinear Evolution Equations with Non-Monotone Perturbations ZEITSCHRIFT FUR ANALYSIS UND IHRE ANWENDUNGEN, 1998, 17 (04): : 859 - 875
- [8] ON MULTIPLE PERIODIC-SOLUTIONS FOR SEMILINEAR WAVE-EQUATIONS WITH FORCING TERMS DIFFERENTIAL EQUATIONS //: PROCEEDINGS OF THE EQUADIFF CONFERENCE, 1989, 118 : 327 - 333
- [9] Forced vibrations of wave equations with non-monotone nonlinearities ANNALES DE L INSTITUT HENRI POINCARE-ANALYSE NON LINEAIRE, 2006, 23 (04): : 439 - 474