%0 Journal Article %A V. A. Deyft %T Conditions of disconjugacy for a linear homogeneous differential equation with retarded argument %J Differencialʹnye uravneniâ %D 1974 %P 1957-1963 %V 10 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_11_a5/ %G ru %F DE_1974_10_11_a5