TY - JOUR AU - A. Kh. Shamilov TI - Solvability and unsolvability of a variant of boundary value problems with a free boundary for abstract second-order differential equations JO - Differencialʹnye uravneniâ PY - 1992 SP - 281 EP - 289 VL - 28 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1992_28_2_a12/ LA - ru ID - DE_1992_28_2_a12 ER -