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@article{DAN_1969_187_4_a7, author = {A. M. Nakhushev}, title = {A new boundary value problem for a certain degenerate hyperbolic equation}, journal = {Doklady Akademii Nauk}, pages = {736--739}, publisher = {mathdoc}, volume = {187}, number = {4}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a7/} }
A. M. Nakhushev. A new boundary value problem for a certain degenerate hyperbolic equation. Doklady Akademii Nauk, Tome 187 (1969) no. 4, pp. 736-739. http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a7/