@article{05934326, title = {Maximal virtual Schottky groups: explicit constructions.}, journal = {Revista Colombiana de Matem\'aticas}, volume = {44}, year = {2010}, pages = {41-57}, zbl = {1226.30041}, language = {en}, url = {http://dml.mathdoc.fr/item/05934326} }
Hidalgo, Rubén A. Maximal virtual Schottky groups: explicit constructions.. Revista Colombiana de Matemáticas, Tome 44 (2010) pp. 41-57. http://gdmltest.u-ga.fr/item/05934326/