TY - JOUR AU - V. L. Levin TI - Measurable selections of multivalued mappings and the problem of JO - Doklady Akademii Nauk PY - 1987 SP - 1048 EP - 1053 VL - 292 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_292_5_a4/ LA - ru ID - DAN_1987_292_5_a4 ER -