Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1967_173_1_a3, author = {V. P. Glushko}, title = {Degenerating elliptic equations of second order in arbitrary smooth regions}, journal = {Doklady Akademii Nauk}, pages = {18--21}, publisher = {mathdoc}, volume = {173}, number = {1}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_173_1_a3/} }
V. P. Glushko. Degenerating elliptic equations of second order in arbitrary smooth regions. Doklady Akademii Nauk, Tome 173 (1967) no. 1, pp. 18-21. http://geodesic.mathdoc.fr/item/DAN_1967_173_1_a3/