TY - JOUR AU - E. E. Barbashina TI - Necessary optimality conditions with matrix impulses JO - Differencialʹnye uravneniâ PY - 1981 SP - 579 EP - 588 VL - 17 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_4_a0/ LA - ru ID - DE_1981_17_4_a0 ER -