TY - JOUR AU - F. E. Lomovtsev AU - N. J. Yurchuk TI - Boundary value problems for operator-differential equations with a variable domain of the operator coefficients JO - Differencialʹnye uravneniâ PY - 1991 SP - 1754 EP - 1766 VL - 27 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1991_27_10_a12/ LA - ru ID - DE_1991_27_10_a12 ER -