TY - JOUR AU - R. Gabasov AU - F. M. Kirillova TI - Necessary optimality conditions of equality type in discrete systems JO - Differencialʹnye uravneniâ PY - 1973 SP - 542 EP - 546 VL - 9 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1973_9_3_a16/ LA - ru ID - DE_1973_9_3_a16 ER -