TY - JOUR AU - P. G. Surkov TI - On an optimal control problem for a nonlinear system JO - Trudy Instituta matematiki i mehaniki PY - 2013 SP - 241 EP - 249 VL - 19 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2013_19_4_a24/ LA - ru ID - TIMM_2013_19_4_a24 ER -