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@article{DAN_1973_208_1_a8, author = {M. Meredov}, title = {On the first boundary-value problem for higher-order hyperbolic equations}, journal = {Doklady Akademii Nauk}, pages = {39--42}, publisher = {mathdoc}, volume = {208}, number = {1}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_208_1_a8/} }
M. Meredov. On the first boundary-value problem for higher-order hyperbolic equations. Doklady Akademii Nauk, Tome 208 (1973) no. 1, pp. 39-42. http://geodesic.mathdoc.fr/item/DAN_1973_208_1_a8/