Ren, Yanli; Wang, Yao Nilpotency for Morita context rings. (Chinese. English summary) Zbl 1129.16300 Math. Pract. Theory 37, No. 9, 148-152 (2007). MSC: 16D90 16N40 16S50 PDFBibTeX XMLCite \textit{Y. Ren} and \textit{Y. Wang}, Math. Pract. Theory 37, No. 9, 148--152 (2007; Zbl 1129.16300)
Wang, Yao; Ren, Yanli Graded Morita contexts and graded radicals. (Chinese. English summary) Zbl 1112.16037 Acta Math. Sin., Chin. Ser. 49, No. 6, 1367-1372 (2006). MSC: 16W50 16N80 16D90 PDFBibTeX XMLCite \textit{Y. Wang} and \textit{Y. Ren}, Acta Math. Sin., Chin. Ser. 49, No. 6, 1367--1372 (2006; Zbl 1112.16037)