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@article{DAN_1992_322_1_a9, author = {T. V. Savina and B. Yu. Sternin and V. E. Shatalov}, title = {On the reflection law for the {Helmholtz} equation}, journal = {Doklady Akademii Nauk}, pages = {48--51}, publisher = {mathdoc}, volume = {322}, number = {1}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1992_322_1_a9/} }
T. V. Savina; B. Yu. Sternin; V. E. Shatalov. On the reflection law for the Helmholtz equation. Doklady Akademii Nauk, Tome 322 (1992) no. 1, pp. 48-51. http://geodesic.mathdoc.fr/item/DAN_1992_322_1_a9/