He, Xinggang Some inequalities for the traces of matrices. (Chinese. English summary) Zbl 0946.15507 J. Cent. China Norm. Univ., Nat. Sci. 29, No. 1, 8-11 (1995). MSC: 15A45 15A42 PDFBibTeX XMLCite \textit{X. He}, J. Cent. China Norm. Univ., Nat. Sci. 29, No. 1, 8--11 (1995; Zbl 0946.15507)
Long, Yonghong Generlizations of Bellman-inequalities and a problem of Bellman. (Chinese. English summary) Zbl 0907.15014 J. Cent. China Norm. Univ., Nat. Sci. 25, No. 1, 8-12 (1991). MSC: 15A45 15B48 PDFBibTeX XMLCite \textit{Y. Long}, J. Cent. China Norm. Univ., Nat. Sci. 25, No. 1, 8--12 (1991; Zbl 0907.15014)