TY - JOUR AU - V. E. Slyusarchuk TI - Necessary and sufficient conditions for invertibility of nonautonomous functional-differential operators JO - Matematičeskie zametki PY - 1987 SP - 262 EP - 267 VL - 42 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1987_42_2_a10/ LA - ru ID - MZM_1987_42_2_a10 ER -