TY - JOUR AU - G. F. Kuliev AU - K. K. Gasanov TI - Necessary conditions for optimality for certain systems with distributed parameters and with control in the coefficients multiplying the highest derivatives JO - Differencialʹnye uravneniâ PY - 1982 SP - 1028 EP - 1036 VL - 18 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1982_18_6_a12/ LA - ru ID - DE_1982_18_6_a12 ER -