%0 Journal Article %A N. V. Azbelev %A Yu. I. Zubko %A S. M. Labovski %T On the question of differential inequalities for equations with retarded argument %J Differencialʹnye uravneniâ %D 1973 %P 1931-1936 %V 9 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_11_a0/ %G ru %F DE_1973_9_11_a0