@article{1028998507, author = {Jenkins, James A.}, title = {On hyperbolic surfaces in three-dimensional Euclidean space.}, journal = {Michigan Math. J.}, volume = {8}, number = {1}, year = {1961}, pages = { 1-5}, language = {en}, url = {http://dml.mathdoc.fr/item/1028998507} }
Jenkins, James A. On hyperbolic surfaces in three-dimensional Euclidean space.. Michigan Math. J., Tome 8 (1961) no. 1, pp. 1-5. http://gdmltest.u-ga.fr/item/1028998507/