@article{DE_1983_19_5_a19, author = {V. E. Slyusarchuk}, title = {New theorems on the instability of difference systems in the first approximation}, journal = {Differencialʹnye uravneni\^a}, pages = {906--908}, publisher = {mathdoc}, volume = {19}, number = {5}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1983_19_5_a19/} }