1. Existence of asymptotically stable periodic solutions of a forced equation;Amine;Nonlinear Anal. T.M.A.,1994
2. Stability of fixed points for order-preserving discrete time dynamical systems;Dancer;J. Reine Angew. Math.,1991
3. The index of Lyapunov stable fixed points in two dimensions;Dancer;J. Dynamics Differential Equations,1994
4. Periodic solutions of some Liénard equations with singularities;Habets;Proc. Am. Math. Soc.,1990
5. Schauder’s principle and the stability of periodic solutions;Kolesov;Soviet. Math. Dokl.,1969