TY - JOUR AU - Filippakis, Michael AU - GasiƄski, Leszek AU - Papageorgiou, Nikolaos S. TI - Multiplicity Results for Nonlinear Neumann Problems JO - Canadian journal of mathematics PY - 2006 SP - 64 EP - 92 VL - 58 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2006-004-6/ DO - 10.4153/CJM-2006-004-6 ID - 10_4153_CJM_2006_004_6 ER -