Niu, Datian Properties and application of harmonic Ritz pairs in a special kind of subspaces. (Chinese. English summary) Zbl 1225.15012 J. Dalian Nationalities Univ. 12, No. 5, 443-445 (2010). MSC: 15A18 65F20 PDFBibTeX XMLCite \textit{D. Niu}, J. Dalian Nationalities Univ. 12, No. 5, 443--445 (2010; Zbl 1225.15012)
Yuan, Xuegang; Meng, Jiana; Niu, Datian Research and practice of multimedia teaching for mathematics courses. (Chinese. English summary) Zbl 1223.00010 J. Dalian Nationalities Univ. 12, No. 3, 258-260 (2010). MSC: 00A35 97U80 PDFBibTeX XMLCite \textit{X. Yuan} et al., J. Dalian Nationalities Univ. 12, No. 3, 258--260 (2010; Zbl 1223.00010)