%0 Journal Article %A A. R. Abdullaev %T On the question of a functional-differential equation with an internal superposition operator %J Differencialʹnye uravneniâ %D 1983 %P 777-782 %V 19 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_5_a1/ %G ru %F DE_1983_19_5_a1