%0 Journal Article %A L. M. Berezanskii %T Development of N.\,V.~Azbelev's $W$-method in problems of the stability of solutions of linear functional-differential equations %J Differencialʹnye uravneniâ %D 1986 %P 739-750 %V 22 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_5_a0/ %G ru %F DE_1986_22_5_a0