TY - JOUR AU - Filippakis, Michael E. AU - Papageorgiou, Nikolaos S. TI - Periodic solutions for differential inclusions in ${\Bbb R}^N$ JO - Archivum mathematicum PY - 2006 SP - 115 EP - 123 VL - 42 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_2006__42_2_a1/ LA - en ID - ARM_2006__42_2_a1 ER -