@article{1102947966, author = {Peterson, H. LeRoy}, title = {Discontinuous characters and subgroups of finite index.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 683-691}, language = {en}, url = {http://dml.mathdoc.fr/item/1102947966} }
Peterson, H. LeRoy. Discontinuous characters and subgroups of finite index.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 683-691. http://gdmltest.u-ga.fr/item/1102947966/