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@article{DE_1977_13_2_a15, author = {L. D. Zamkobaya}, title = {The central index for systems of linear difference equations}, journal = {Differencialʹnye uravneni\^a}, pages = {362--363}, publisher = {mathdoc}, volume = {13}, number = {2}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1977_13_2_a15/} }
L. D. Zamkobaya. The central index for systems of linear difference equations. Differencialʹnye uravneniâ, Tome 13 (1977) no. 2, pp. 362-363. http://geodesic.mathdoc.fr/item/DE_1977_13_2_a15/