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@article{DAN_1989_306_3_a5, author = {Yu. A. Mamedov}, title = {Spectral problems for a system of ordinary differential equations}, journal = {Doklady Akademii Nauk}, pages = {540--544}, publisher = {mathdoc}, volume = {306}, number = {3}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_306_3_a5/} }
Yu. A. Mamedov. Spectral problems for a system of ordinary differential equations. Doklady Akademii Nauk, Tome 306 (1989) no. 3, pp. 540-544. http://geodesic.mathdoc.fr/item/DAN_1989_306_3_a5/