@article{1102867855, author = {Anderson, Michael P.}, title = {Subgroups of finite index in profinite groups.}, journal = {Pacific J. Math.}, volume = {67}, number = {2}, year = {1976}, pages = { 19-28}, language = {en}, url = {http://dml.mathdoc.fr/item/1102867855} }
Anderson, Michael P. Subgroups of finite index in profinite groups.. Pacific J. Math., Tome 67 (1976) no. 2, pp. 19-28. http://gdmltest.u-ga.fr/item/1102867855/