Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1978_240_3_a2, author = {V. L. Gurevich}, title = {Convex surfaces in a pseudo-euclidean space}, journal = {Doklady Akademii Nauk}, pages = {512--514}, publisher = {mathdoc}, volume = {240}, number = {3}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1978_240_3_a2/} }
V. L. Gurevich. Convex surfaces in a pseudo-euclidean space. Doklady Akademii Nauk, Tome 240 (1978) no. 3, pp. 512-514. http://geodesic.mathdoc.fr/item/DAN_1978_240_3_a2/