TY - JOUR AU - Papageorgiou, Nikolaos S. TI - On the existence of $\psi$-minimal viable solutions for a class of differential inclusions JO - Archivum mathematicum PY - 1991 SP - 175 EP - 182 VL - 27 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1991__27_3-4_a5/ LA - en ID - ARM_1991__27_3-4_a5 ER -