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@article{DAN_1983_270_3_a7, author = {T. Yu. Mikhailova}, title = {Symmetrization of invariant hyperbolic equations}, journal = {Doklady Akademii Nauk}, pages = {546--550}, publisher = {mathdoc}, volume = {270}, number = {3}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1983_270_3_a7/} }
T. Yu. Mikhailova. Symmetrization of invariant hyperbolic equations. Doklady Akademii Nauk, Tome 270 (1983) no. 3, pp. 546-550. http://geodesic.mathdoc.fr/item/DAN_1983_270_3_a7/