%0 Journal Article %A V. A. Tyshkevich %T On the question of the properties of the Cauchy matrix of a functional-differential equation %J Differencialʹnye uravneniâ %D 1976 %P 1131-1133 %V 12 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1976_12_6_a21/ %G ru %F DE_1976_12_6_a21