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@article{DAN_1988_300_3_a6, author = {M. E. Lerner}, title = {Solvability of a boundary value problem for hyperbolic equations}, journal = {Doklady Akademii Nauk}, pages = {546--550}, publisher = {mathdoc}, volume = {300}, number = {3}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_300_3_a6/} }
M. E. Lerner. Solvability of a boundary value problem for hyperbolic equations. Doklady Akademii Nauk, Tome 300 (1988) no. 3, pp. 546-550. http://geodesic.mathdoc.fr/item/DAN_1988_300_3_a6/