TY - JOUR AU - Cernea, Aurelian TI - On the existence of viable solutions for a class of second order differential inclusions JO - Discussiones Mathematicae. Differential Inclusions, Control and Optimization PY - 2002 SP - 67 EP - 78 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMDICO_2002_22_1_a3/ LA - en ID - DMDICO_2002_22_1_a3 ER -