@article{AFM_2021_46_1_a6, author = {Akira Ushijima}, title = {Dirichlet polyhedra for simplex groups of spherical, {Euclidean} or hyperbolic spaces}, journal = {Annales Fennici Mathematici}, pages = {123--127}, publisher = {mathdoc}, volume = {46}, number = {1}, year = {2021}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AFM_2021_46_1_a6/} }