%0 Journal Article
%A Nándor Simányi
%A Domokos Szász
%T Hard ball systems are completely hyperbolic
%J Annals of mathematics
%D 1999
%V 149
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM_1999_149_1_a1/
%F AM_1999_149_1_a1