@article{1200772087, author = {Ehrlich, Paul E.}, title = {Boundary points of the Dirichlet fundamental region}, journal = {Osaka J. Math.}, volume = {16}, number = {1}, year = {1979}, pages = { 439-446}, language = {en}, url = {http://dml.mathdoc.fr/item/1200772087} }
Ehrlich, Paul E. Boundary points of the Dirichlet fundamental region. Osaka J. Math., Tome 16 (1979) no. 1, pp. 439-446. http://gdmltest.u-ga.fr/item/1200772087/