@article{1077303008, author = {Maskit, Bernard}, title = {A locally free Kleinian group}, journal = {Duke Math. J.}, volume = {50}, number = {1}, year = {1983}, pages = { 227-232}, language = {en}, url = {http://dml.mathdoc.fr/item/1077303008} }
Maskit, Bernard. A locally free Kleinian group. Duke Math. J., Tome 50 (1983) no. 1, pp. 227-232. http://gdmltest.u-ga.fr/item/1077303008/