%0 Journal Article %A N. I. Nagnibida %A N. P. Oliinyk %T On the equivalence of differential operators of infinite order in analytic spaces %J Matematičeskie zametki %D 1977 %P 33-39 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1977_21_1_a3/ %G ru %F MZM_1977_21_1_a3