%0 Journal Article %A A. G. Baskakov %T Some conditions for the invertibility of linear differential and difference operators %J Doklady Akademii Nauk %D 1993 %P 282-284 %V 333 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_333_3_a1/ %G ru %F DAN_1993_333_3_a1