Wang, Yong A Maschke-type theorem for smash products and a Morita context over Hopf algebroids. (English) Zbl 1349.16045 J. Math., Wuhan Univ. 35, No. 5, 1127-1138 (2015). MSC: 16T05 16T15 16S40 PDFBibTeX XMLCite \textit{Y. Wang}, J. Math., Wuhan Univ. 35, No. 5, 1127--1138 (2015; Zbl 1349.16045)
Yang, Shilin Conditions for the central simplicity of smash product \(A\#H^{*\text{rat}}\). (Chinese. English summary) Zbl 0926.16034 J. Math., Wuhan Univ. 18, No. 4, 403-405 (1998). MSC: 16W30 16S40 16D60 16K40 PDFBibTeX XMLCite \textit{S. Yang}, J. Math., Wuhan Univ. 18, No. 4, 403--405 (1998; Zbl 0926.16034)