The group \(\text{Spin}_8\) and some subgroups of the unitary group of degree four over a quaternion division algebra. (English. Russian original) Zbl 1009.20059
St. Petersbg. Math. J. 13, No. 3, 373-388 (2002); translation from Algebra Anal. 13, No. 3, 43-64 (2002).
Reviewer: L.N.Vaserstein (University Park)