TY - JOUR AU - V. I. Plotnikov TI - Necessary conditions of optimality for control systems of general type JO - Doklady Akademii Nauk PY - 1971 SP - 275 EP - 278 VL - 199 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1971_199_2_a6/ LA - ru ID - DAN_1971_199_2_a6 ER -