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@article{DE_1968_4_2_a20, author = {L. M. Kuks and A. A. Svirchevsky}, title = {Theorems in the qualitative theory of partial difference equations}, journal = {Differencialʹnye uravneni\^a}, pages = {375--378}, publisher = {mathdoc}, volume = {4}, number = {2}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1968_4_2_a20/} }
L. M. Kuks; A. A. Svirchevsky. Theorems in the qualitative theory of partial difference equations. Differencialʹnye uravneniâ, Tome 4 (1968) no. 2, pp. 375-378. http://geodesic.mathdoc.fr/item/DE_1968_4_2_a20/