Gille, Philippe Examples of non-rational varieties of adjoint groups. (English) Zbl 0911.14026 J. Algebra 193, No. 2, 728-747 (1997). Reviewer: A.R.Magid (Norman) MSC: 14M20 14L35 14L30 11E04 PDFBibTeX XMLCite \textit{P. Gille}, J. Algebra 193, No. 2, 728--747 (1997; Zbl 0911.14026) Full Text: DOI Link
Rollero, Aldo On a \(V^ 4_ 2\) of \(S_ 4\) relative to the binary quadratic form. (Italian. English summary) Zbl 0661.14036 Atti Accad. Ligure Sci. Lett. 43, 143-169 (1988). Reviewer: J.W.P.Hirschfeld MSC: 14N99 11E76 14M20 PDFBibTeX XMLCite \textit{A. Rollero}, Atti Accad. Ligure Sci. Lett. 43, 143--169 (1988; Zbl 0661.14036)
Beklemishev, N. D. Invariants of cubic forms in four variables. (English. Russian original) Zbl 0498.14006 Mosc. Univ. Math. Bull. 37, No. 2, 54-62 (1982); translation from Vestn. Mosk. Univ., Ser. I 1982, No. 2, 42-49 (1982). MSC: 14L24 11E76 14J30 14L30 14M20 PDFBibTeX XMLCite \textit{N. D. Beklemishev}, Mosc. Univ. Math. Bull. 37, No. 2, 54--62 (1982; Zbl 0498.14006); translation from Vestn. Mosk. Univ., Ser. I 1982, No. 2, 42--49 (1982)