@article{DE_1976_12_10_a16,
     author = {A. B. Vasil'eva and A. A. Plotnicov},
     title = {A certain method of investigating the solutions of difference equations of oscillation type in the case of a small step},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1903--1905},
     publisher = {mathdoc},
     volume = {12},
     number = {10},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1976_12_10_a16/}
}