1. Coherent Spatial Structure versus Time Chaos in a Perturbed Sine-Gordon System
2. Nonlinear dynamics in driven, damped sine-Gordon systems
3. Geometry of the modulational instability. Part I: Local analysis, University of Arizona preprint;Ercolani,1986
4. Geometry of the modulational instability. Part II: Global analysis, University of Arizona preprint;Ercolani,1987
5. Geometry of the modulational instability. Part III: Homoclinic Orbits for the periodic sine-Gordon equation, University of Arizona preprint;Ercolani,1987