@article{05934323,
title = {Commensurator subgroups of surface groups.},
journal = {Revista Colombiana de Matem\'aticas},
volume = {44},
year = {2010},
pages = {1-13},
zbl = {1223.57002},
language = {en},
url = {http://dml.mathdoc.fr/item/05934323}
}
Ocampo Uribe, Oscar Eduardo. Commensurator subgroups of surface groups.. Revista Colombiana de Matemáticas, Tome 44 (2010) pp. 1-13. http://gdmltest.u-ga.fr/item/05934323/