%0 Journal Article
%A Popescu, Gelu
%T Hyperbolic geometry on noncommutative balls
%J Documenta mathematica
%D 2009
%P 595-651
%V 14
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DOCMA_2009__14__a7/
%G en
%F DOCMA_2009__14__a7