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@article{DAN_1976_226_5_a19, author = {P. E. Strezh}, title = {On asymptotic solutions for one-dimensional wave problems}, journal = {Doklady Akademii Nauk}, pages = {1058--1061}, publisher = {mathdoc}, volume = {226}, number = {5}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_5_a19/} }
P. E. Strezh. On asymptotic solutions for one-dimensional wave problems. Doklady Akademii Nauk, Tome 226 (1976) no. 5, pp. 1058-1061. http://geodesic.mathdoc.fr/item/DAN_1976_226_5_a19/