%0 Journal Article %A Yu. Yu. Berest %T Group analysis of linear differential equations in generalized functions and the construction of fundamental solutions %J Differencialʹnye uravneniâ %D 1993 %P 1958-1970 %V 29 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_11_a11/ %G ru %F DE_1993_29_11_a11