@article{DE_1986_22_4_a26,
     author = {V. E. Slyusarchuk},
     title = {On the instability of difference equations with respect to the first approximation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {722--723},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1986_22_4_a26/}
}