%0 Journal Article %A N. A. Sidorov %T Regularization of linear differential equations with constant operators in the degenerate case %J Differencialʹnye uravneniâ %D 1978 %P 556-560 %V 14 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_3_a23/ %G ru %F DE_1978_14_3_a23