Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1972_207_2_a2, author = {I. L. Vulis and M. Z. Solomyak}, title = {Spectral asymptotics of degenerate elliptic operators}, journal = {Doklady Akademii Nauk}, pages = {262--265}, publisher = {mathdoc}, volume = {207}, number = {2}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_207_2_a2/} }
I. L. Vulis; M. Z. Solomyak. Spectral asymptotics of degenerate elliptic operators. Doklady Akademii Nauk, Tome 207 (1972) no. 2, pp. 262-265. http://geodesic.mathdoc.fr/item/DAN_1972_207_2_a2/