%0 Journal Article %A I. M. Nefedov %A I. A. Shereshevskii %T On the calculation of exponents for difference operators %J Matematičeskoe modelirovanie %D 1995 %P 88 %V 7 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1995_7_5_a59/ %G ru %F MM_1995_7_5_a59