%0 Journal Article
%A Xie, BaoHua
%A Wang, JieYan
%A Jiang, YuePing
%T Free Groups Generated by Two Heisenberg Translations
%J Canadian mathematical bulletin
%D 2013
%P 881-889
%V 56
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2012-042-0/
%R 10.4153/CMB-2012-042-0
%F 10_4153_CMB_2012_042_0