%0 Journal Article %A A. M. Zverkin %T The completeness of a Floquet type system of solutions for equations with retardation %J Differencialʹnye uravneniâ %D 1968 %P 474-478 %V 4 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_3_a8/ %G ru %F DE_1968_4_3_a8