TY - JOUR AU - R. G. Aliev TI - On the question of necessary and sufficient conditions for unique solvability of an equation with deviating argument and unbounded operator coefficients in Hilbert space JO - Doklady Akademii Nauk PY - 1982 SP - 11 EP - 14 VL - 267 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_267_1_a0/ LA - ru ID - DAN_1982_267_1_a0 ER -