@article{00438925, title = {Unique isometric immersion into hyperbolic space.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {16}, year = {1993}, pages = {725-732}, doi = {10.1155/S0161171293000900}, zbl = {0784.53032}, language = {en}, url = {http://dml.mathdoc.fr/item/00438925} }
Beltagy, M. Unique isometric immersion into hyperbolic space.. International Journal of Mathematics and Mathematical Sciences, Tome 16 (1993) pp. 725-732. doi : 10.1155/S0161171293000900. http://gdmltest.u-ga.fr/item/00438925/