TY - JOUR AU - V. L. Levin TI - Measurable selections of multivalued mappings into topological spaces and upper envelopes of Caratheodory integrands JO - Doklady Akademii Nauk PY - 1980 SP - 535 EP - 539 VL - 252 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_252_3_a4/ LA - ru ID - DAN_1980_252_3_a4 ER -