%0 Journal Article %A A. V. Ivanov %T Computational properties of regular difference equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1964 %P 59-115 %V 70 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1964_70_a5/ %G ru %F TM_1964_70_a5