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@article{MM_1995_7_5_a59, author = {I. M. Nefedov and I. A. Shereshevskii}, title = {On the calculation of exponents for difference operators}, journal = {Matemati\v{c}eskoe modelirovanie}, pages = {88}, publisher = {mathdoc}, volume = {7}, number = {5}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MM_1995_7_5_a59/} }
I. M. Nefedov; I. A. Shereshevskii. On the calculation of exponents for difference operators. Matematičeskoe modelirovanie, Tome 7 (1995) no. 5. http://geodesic.mathdoc.fr/item/MM_1995_7_5_a59/