@article{1029005708, author = {Gehring, F. W. and Martin, G. J.}, title = {Geodesics in hyperbolic $3$-folds.}, journal = {Michigan Math. J.}, volume = {44}, number = {1}, year = {1997}, pages = { 331-343}, language = {en}, url = {http://dml.mathdoc.fr/item/1029005708} }
Gehring, F. W.; Martin, G. J. Geodesics in hyperbolic $3$-folds.. Michigan Math. J., Tome 44 (1997) no. 1, pp. 331-343. http://gdmltest.u-ga.fr/item/1029005708/