Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1999_29_3a_32, author = {M. Stojanovi\'c}, title = {Hyperbolic space groups for two families of fundamental simplices}, journal = {Novi Sad Journal of Mathematics}, pages = {337-348}, publisher = {mathdoc}, volume = {29}, number = {3}, year = {1999}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1999_29_3a_32/} }
M. Stojanović. Hyperbolic space groups for two families of fundamental simplices. Novi Sad Journal of Mathematics, Tome 29 (1999) no. 3. http://geodesic.mathdoc.fr/item/NSJOM_1999_29_3a_32/