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@article{DE_1977_13_12_a4, author = {Yu. A. Klokov and L. A. Lepin}, title = {The first boundary value problem for a certain fourth order system}, journal = {Differencialʹnye uravneni\^a}, pages = {2149--2157}, publisher = {mathdoc}, volume = {13}, number = {12}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1977_13_12_a4/} }
Yu. A. Klokov; L. A. Lepin. The first boundary value problem for a certain fourth order system. Differencialʹnye uravneniâ, Tome 13 (1977) no. 12, pp. 2149-2157. http://geodesic.mathdoc.fr/item/DE_1977_13_12_a4/