TY - JOUR AU - A. A. Milyutin TI - General schemes of necessary conditions for extrema and problems of optimal control JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1970 SP - 109 EP - 115 VL - 25 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1970_25_5_a3/ LA - en ID - RM_1970_25_5_a3 ER -