@article{DE_1970_6_12_a15,
     author = {A. B. Vasil'eva and \`E. Yuldashev},
     title = {Linear difference systems with small lag},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2267--2269},
     publisher = {mathdoc},
     volume = {6},
     number = {12},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_12_a15/}
}