W. W. Comfort, S. U. Raczkowski and F. Javier Trigos-Arrieta, \emph{Concerning the dual group of a dense subgroup}, Proceedings of the Ninth Prague Topological Symposium (Prague, 2001), Topology Atlas, Toronto, 2002, pp. 23--35. arXiv:math.GN/0204147 @incollection {math.GN/0204147, author = {Comfort, W. W. and Raczkowski, S. U. and Trigos-Arrieta, F. Javier}, title = {Concerning the dual group of a dense subgroup}, pages = {23--35}, booktitle = {Proceedings of the Ninth Topological Symposium (Prague, 2001)}, publisher = {Topology Atlas}, address = {Toronto}, year = {2002}, editor = {Petr Simon}, arxivnumber = {math.GN/0204147}, note = {arXiv:math.GN/0204147}, mrclass = {22A10 22B99 22C05 43A40 54H11 (03E35 03E50 54D30 54E35)}, }