TY - JOUR AU - V. F. Illarionov AU - V. T. Pashintsev TI - Properties of the extremal field in an optimal control problem JO - Doklady Akademii Nauk PY - 1971 SP - 1291 EP - 1293 VL - 200 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1971_200_6_a8/ LA - ru ID - DAN_1971_200_6_a8 ER -