TY - JOUR AU - V. N. Kalinin TI - On the existence of an absolute minimum in a problem in the theory of optimal processes JO - Doklady Akademii Nauk PY - 1963 SP - 21 EP - 22 VL - 150 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_150_1_a3/ LA - ru ID - DAN_1963_150_1_a3 ER -