TY - JOUR AU - V. M. Loginov TI - Averaging of certain systems of integro-differential equations that are unsolvable with respect to a derivative, with a multipoint linear boundary condition JO - Differencialʹnye uravneniâ PY - 1981 SP - 689 EP - 696 VL - 17 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_4_a13/ LA - ru ID - DE_1981_17_4_a13 ER -