Anan’evskiĭ, A. S.; Vavilov, N. A.; Sinchuk, S. S. Overgroups of \(E(m,R)\otimes E(n,R)\). I: Levels and normalizers. (English. Russian original) Zbl 1278.20069 St. Petersbg. Math. J. 23, No. 5, 819-849 (2012); translation from Algebra Anal. 23, No. 5, 55-98 (2011). MSC: 20H25 20E07 20E15 PDFBibTeX XMLCite \textit{A. S. Anan'evskiĭ} et al., St. Petersbg. Math. J. 23, No. 5, 819--849 (2012; Zbl 1278.20069); translation from Algebra Anal. 23, No. 5, 55--98 (2011) Full Text: DOI
Ananievsky, A. S.; Vavilov, N. A.; Sinchuk, S. S. On the description of overgroups of \(E(m,R)\otimes E(n,R)\). (English. Russian original) Zbl 1183.20056 J. Math. Sci., New York 161, No. 4, 461-473 (2009); translation from Zap. Nauchn. Semin. POMI 365, 5-28 (2009). MSC: 20H25 20E07 20E15 PDFBibTeX XMLCite \textit{A. S. Ananievsky} et al., J. Math. Sci., New York 161, No. 4, 461--473 (2009; Zbl 1183.20056); translation from Zap. Nauchn. Semin. POMI 365, 5--28 (2009) Full Text: DOI