@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/