%0 Journal Article %A A. I. Bulgakov %A L. N. Lyapin %T Integral inclusion with a functional operator %J Differencialʹnye uravneniâ %D 1979 %P 878-884 %V 15 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_5_a11/ %G ru %F DE_1979_15_5_a11