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@article{DE_1966_2_3_a8, author = {A. I. Perov and A. P. Makhmudov}, title = {On a certan boundary value problem}, journal = {Differencialʹnye uravneni\^a}, pages = {365--370}, publisher = {mathdoc}, volume = {2}, number = {3}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1966_2_3_a8/} }
A. I. Perov; A. P. Makhmudov. On a certan boundary value problem. Differencialʹnye uravneniâ, Tome 2 (1966) no. 3, pp. 365-370. http://geodesic.mathdoc.fr/item/DE_1966_2_3_a8/