%0 Journal Article
%A Samson Abramsky
%A Bob Coecke
%T Abstract physical traces
%J Theory and applications of categories
%D 2005
%P 111-124
%V 14
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TAC_2005_14_a5/
%G en
%F TAC_2005_14_a5