Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1963_2_a13, author = {A. L. Teptin}, title = {Oscillations of solutions of a linear second-order difference equation}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {120--123}, publisher = {mathdoc}, number = {2}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1963_2_a13/} }
A. L. Teptin. Oscillations of solutions of a linear second-order difference equation. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1963), pp. 120-123. http://geodesic.mathdoc.fr/item/IVM_1963_2_a13/