TY - JOUR AU - E. A. Markin TI - The existence of a value for a certain class of differential games that can be described by a Goursat problem JO - Differencialʹnye uravneniâ PY - 1977 SP - 668 EP - 681 VL - 13 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1977_13_4_a9/ LA - ru ID - DE_1977_13_4_a9 ER -