Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1993_332_5_a4, author = {T. V. Savina}, title = {On the reflection law for higher-order elliptic equations}, journal = {Doklady Akademii Nauk}, pages = {563--565}, publisher = {mathdoc}, volume = {332}, number = {5}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_332_5_a4/} }
T. V. Savina. On the reflection law for higher-order elliptic equations. Doklady Akademii Nauk, Tome 332 (1993) no. 5, pp. 563-565. http://geodesic.mathdoc.fr/item/DAN_1993_332_5_a4/