%0 Journal Article
%A Chen, Yizhi
%A Zhao, Xianzhong
%A Liu, Zhongzhu
%T On upper triangular nonnegative matrices
%J Czechoslovak Mathematical Journal
%D 2015
%P 1-20
%V 65
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1007/s10587-015-0158-5/
%R 10.1007/s10587-015-0158-5
%G en
%F 10_1007_s10587_015_0158_5