@article{DE_1981_17_12_a9,
     author = {A. A. Aizikovich},
     title = {Criterion for the nonoscillation of solutions of a difference equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2201--2211},
     publisher = {mathdoc},
     volume = {17},
     number = {12},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_12_a9/}
}