@article{DE_1966_2_11_a5,
     author = {A. L. Teptin},
     title = {Estimation of the non-oscillation interval for a difference equation and for difference boundary value problems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1449--1468},
     publisher = {mathdoc},
     volume = {2},
     number = {11},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_11_a5/}
}