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@article{DAN_1983_273_5_a19, author = {S. M. Ponomarev}, title = {An ill-posed problem in the theory of finite-amplitude waves in}, journal = {Doklady Akademii Nauk}, pages = {1105--1108}, publisher = {mathdoc}, volume = {273}, number = {5}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1983_273_5_a19/} }
S. M. Ponomarev. An ill-posed problem in the theory of finite-amplitude waves in. Doklady Akademii Nauk, Tome 273 (1983) no. 5, pp. 1105-1108. http://geodesic.mathdoc.fr/item/DAN_1983_273_5_a19/