%0 Journal Article
%A P. de de Harpe
%T Simplicity of the projective unitary groups defined by simple factors.
%J Commentarii mathematici Helvetici
%D 1979
%P 334-346
%V 54
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1979__54_139788/
%F CMH_1979__54_139788