Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1966_2_6_a6, author = {N. N. Yuberev}, title = {A linear periodic boundary value problem for finite differences equations}, journal = {Differencialʹnye uravneni\^a}, pages = {783--790}, publisher = {mathdoc}, volume = {2}, number = {6}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1966_2_6_a6/} }
N. N. Yuberev. A linear periodic boundary value problem for finite differences equations. Differencialʹnye uravneniâ, Tome 2 (1966) no. 6, pp. 783-790. http://geodesic.mathdoc.fr/item/DE_1966_2_6_a6/