TY - JOUR AU - Ding Xie Ping TI - Random directional contractors and the solution to a system of random multivalued operator equations JO - Novi Sad Journal of Mathematics PY - 1992 SP - 57 EP - 70 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NSJOM_1992_22_2a_5/ ID - NSJOM_1992_22_2a_5 ER -