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Author: Zhang, Lihua

• Fang, Wei; Gao, Wei; Gao, Yubin; Gong, Fei; Jing, Guangming; Li, Zhongshan; Shao, Yanling; Zhang, Lihua: Rational realization of the minimum ranks of nonnegative sign pattern matrices. (English). Czechoslovak Mathematical Journal, vol. 66 (2016), issue 3, pp. 895-911