%0 Journal Article %A G. G. Braichev %A V. V. Morzhakov %T Applicability of partial differential operators of infinite order %J Matematičeskie zametki %D 1978 %P 771-777 %V 24 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1978_24_6_a4/ %G ru %F MZM_1978_24_6_a4