%0 Journal Article %A V. V. Vlasov %T Properties of solutions of a class of functional-differential equations on the semi-axis %J Differencialʹnye uravneniâ %D 1992 %P 1070-1073 %V 28 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_6_a19/ %G ru %F DE_1992_28_6_a19