Contributions to Nonlinear Analysis - Cazenave, Thierry; Costa, David; Lopes, Orlando; Cazenave, Thierry; Costa, David; Figueiredo, Djairo Guedes de; Lopes, Orlando; Manásevich, Raúl; Rabinowitz, Paul; Ruf, Bernhard; Tomei, Carlos (Birkhäuser Basel, 2006)