On upper triangular nonnegative matrices
Crossref DOI link: https://doi.org/10.1007/s10587-015-0158-5
Published Online: 2015-04-15
Published Print: 2015-03
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Chen, Yizhi
Zhao, Xianzhong
Liu, Zhongzhu