%0 Journal Article
%A D.R. Estes
%A J. Hurrelbrink
%A R. Perlis
%T Total positivity and algebraic Witt classes.
%J Commentarii mathematici Helvetici
%D 1985
%P 284-290
%V 60
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1985__60_140014/
%F CMH_1985__60_140014