@article{DE_1971_7_12_a17,
     author = {E. V. Bysko},
     title = {The stability of the zero solution of almost triangular systems of difference equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2265--2268},
     publisher = {mathdoc},
     volume = {7},
     number = {12},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_12_a17/}
}