%0 Journal Article
%A Canto, Rafael
%A Ricarte, Beatriz
%A Urbano, Ana Maria
%T Some characterizations of totally nonpositive (totally negative) matrices
%J The electronic journal of linear algebra
%D 2010
%P 241-253
%V 20
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELA_2010__20__a36/
%G en
%F ELA_2010__20__a36