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@article{DAN_1989_309_3_a0, author = {A. T. Bulabaev and L. A. Shuster}, title = {On the theory of {Sturm--Liouville} difference equations}, journal = {Doklady Akademii Nauk}, pages = {521--524}, publisher = {mathdoc}, volume = {309}, number = {3}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_309_3_a0/} }
A. T. Bulabaev; L. A. Shuster. On the theory of Sturm--Liouville difference equations. Doklady Akademii Nauk, Tome 309 (1989) no. 3, pp. 521-524. http://geodesic.mathdoc.fr/item/DAN_1989_309_3_a0/