%0 Journal Article %A A. A. Dezin %T Weak and strong extensions of differential operators %J Matematičeskie zametki %D 1978 %P 687-698 %V 24 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1978_24_5_a10/ %G ru %F MZM_1978_24_5_a10