Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KUKZ_1977_14_14_a1, author = {L. A. Aksent'ev}, title = {Symmetric solutions of inverse boundary value problems}, journal = {Trudy seminara po kraevym zada\v{c}am}, pages = {20--27}, publisher = {mathdoc}, volume = {14}, number = {14}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUKZ_1977_14_14_a1/} }
L. A. Aksent'ev. Symmetric solutions of inverse boundary value problems. Trudy seminara po kraevym zadačam, Trudy Seminara po Kraevym Zadacham, Tome 14 (1977) no. 14, pp. 20-27. http://geodesic.mathdoc.fr/item/KUKZ_1977_14_14_a1/