TY - JOUR AU - A. V. Arutyunov TI - The first condition in L. S. Pontryagin's article: “On the theory of differential games” [Uspekhi Mat. Nauk 21 (1966), no. 4(130), 219–274; MR0204187] JO - Differencialʹnye uravneniâ PY - 1983 SP - 923 EP - 938 VL - 19 IS - 6 UR - http://geodesic.mathdoc.fr/item/DE_1983_19_6_a0/ LA - ru ID - DE_1983_19_6_a0 ER -