TY - JOUR AU - Yu. S. Ledyaev TI - The maximum principle for optimal strategies in differential JO - Doklady Akademii Nauk PY - 1989 SP - 41 EP - 45 VL - 308 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_308_1_a8/ LA - ru ID - DAN_1989_308_1_a8 ER -