@article{1138846871, author = {Sasaki, Shigeo}, title = {On complete flat surfaces in hyperbolic $3$-space}, journal = {Kodai Math. Sem. Rep.}, volume = {25}, number = {1}, year = {1973}, pages = { 449-457}, language = {en}, url = {http://dml.mathdoc.fr/item/1138846871} }
Sasaki, Shigeo. On complete flat surfaces in hyperbolic $3$-space. Kodai Math. Sem. Rep., Tome 25 (1973) no. 1, pp. 449-457. http://gdmltest.u-ga.fr/item/1138846871/