%0 Journal Article
%A Isidro Nieto
%T The Normalizer of the level (2,2)-Heisenberg Group.
%J Manuscripta mathematica
%D 1992
%P 257-268
%V 76
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1992__76_1_155753/
%F MM2_1992__76_1_155753