%0 Journal Article %A V. P. Rudakov %T On the question of the existence of the solutions of differential equations with a lag that depends on the solution %J Differencialʹnye uravneniâ %D 1971 %P 2013-2018 %V 7 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_11_a9/ %G ru %F DE_1971_7_11_a9