%0 Journal Article %A A. G. Baskakov %T Invertibility and the Fredholm property of difference operators %J Matematičeskie zametki %D 2000 %P 816-827 %V 67 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2000_67_6_a2/ %G ru %F MZM_2000_67_6_a2