Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1975_221_1_a2, author = {N. L. Vasilevskii and E. V. Gutnikov}, title = {On the symbol of operators forming finite-dimensional algebras}, journal = {Doklady Akademii Nauk}, pages = {18--21}, publisher = {mathdoc}, volume = {221}, number = {1}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_1_a2/} }
N. L. Vasilevskii; E. V. Gutnikov. On the symbol of operators forming finite-dimensional algebras. Doklady Akademii Nauk, Tome 221 (1975) no. 1, pp. 18-21. http://geodesic.mathdoc.fr/item/DAN_1975_221_1_a2/