Chen, Jianfei; Chen, Kelin; Li, Weimin Rough sets as BCK-algebras. (English) Zbl 1006.06504 Far East J. Math. Sci. (FJMS) 5, No. 1, 103-111 (2002). MSC: 06F35 68T37 03E72 PDFBibTeX XMLCite \textit{J. Chen} et al., Far East J. Math. Sci. (FJMS) 5, No. 1, 103--111 (2002; Zbl 1006.06504)
Chen, Jianfei; Li, Weimin \(F\)-hulls of a class of regular semigroups. (English) Zbl 0981.20052 J. Eng. Math., Xi’an 18, No. 2, 33-38 (2001). MSC: 20M17 20M10 PDFBibTeX XMLCite \textit{J. Chen} and \textit{W. Li}, J. Eng. Math., Xi'an 18, No. 2, 33--38 (2001; Zbl 0981.20052)
Li, Weimin; Chen, Jianfei Endomorphism-regularity of split graphs. (English) Zbl 0963.05118 Eur. J. Comb. 22, No. 2, 207-216 (2001). Reviewer: U.Knauer (Oldenburg) MSC: 05C75 20M17 PDFBibTeX XMLCite \textit{W. Li} and \textit{J. Chen}, Eur. J. Comb. 22, No. 2, 207--216 (2001; Zbl 0963.05118) Full Text: DOI
Li, Weimin; Chen, Jianfei The structure of the endomorphism monoid of a graph. (Chinese. English summary) Zbl 0978.05036 Acta Math. Sci. (Chin. Ed.) 20, Suppl., 633-639 (2000). Reviewer: Wai-Kai Chen (Chicago) MSC: 05C25 PDFBibTeX XMLCite \textit{W. Li} and \textit{J. Chen}, Acta Math. Sci. (Chin. Ed.) 20, 633--639 (2000; Zbl 0978.05036)