TY - JOUR AU - G. K. Zakharov TI - Necessary optimality conditions for problems with two groups of controls with bounded phase coordinates JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1973 SP - 1612 EP - 1619 VL - 13 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1973_13_6_a26/ LA - ru ID - ZVMMF_1973_13_6_a26 ER -