%0 Journal Article %A V. M. Marchenko %T Transformation of systems with retarded argument %J Differencialʹnye uravneniâ %D 1977 %P 1882-1884 %V 13 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_10_a22/ %G ru %F DE_1977_13_10_a22