Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1965_162_2_a13, author = {S. Z. Shefel'}, title = {On saddle surfaces bounded by a rectifiable curve}, journal = {Doklady Akademii Nauk}, pages = {294--296}, publisher = {mathdoc}, volume = {162}, number = {2}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_162_2_a13/} }
S. Z. Shefel'. On saddle surfaces bounded by a rectifiable curve. Doklady Akademii Nauk, Tome 162 (1965) no. 2, pp. 294-296. http://geodesic.mathdoc.fr/item/DAN_1965_162_2_a13/