TY - JOUR AU - Yu. S. Ledyaev AU - E. F. Mishchenko TI - Conditions for the optimality of strategies in differential games of fixed duration JO - Differencialʹnye uravneniâ PY - 1987 SP - 244 EP - 255 VL - 23 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1987_23_2_a7/ LA - ru ID - DE_1987_23_2_a7 ER -