%0 Journal Article %A A. M. Zverkin %T On the theory of differential-difference equations with delay that is commensurable with the period of the coefficients %J Differencialʹnye uravneniâ %D 1988 %P 1481-1492 %V 24 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_9_a1/ %G ru %F DE_1988_24_9_a1