%0 Journal Article %A V. R. Nosov %T Periodic solutions of systems of linear equations of general form with deviating argument %J Differencialʹnye uravneniâ %D 1971 %P 639-650 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_4_a6/ %G ru %F DE_1971_7_4_a6