Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1957_115_4_a9, author = {S. A. Tersenov}, title = {An elliptical type of equation degenerating at the domain boundary}, journal = {Doklady Akademii Nauk}, pages = {670--673}, publisher = {mathdoc}, volume = {115}, number = {4}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_4_a9/} }
S. A. Tersenov. An elliptical type of equation degenerating at the domain boundary. Doklady Akademii Nauk, Tome 115 (1957) no. 4, pp. 670-673. http://geodesic.mathdoc.fr/item/DAN_1957_115_4_a9/