TY  - JOUR
AU  - Chen, Yizhi
AU  - Zhao, Xianzhong
AU  - Liu, Zhongzhu
TI  - On upper triangular nonnegative matrices
JO  - Czechoslovak Mathematical Journal
PY  - 2015
SP  - 1
EP  - 20
VL  - 65
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1007/s10587-015-0158-5/
DO  - 10.1007/s10587-015-0158-5
LA  - en
ID  - 10_1007_s10587_015_0158_5
ER  -