Groups Acting on the Ring of Two 2 × 2 Generic Matrices and a Coproduct Decomposition of its Trace Ring
Edward Formanek, Aidan Schofield · Proceedings of the American Mathematical Society · 1985
Edward Formanek, A. H. Schofield, Groups Acting on the Ring of Two 2 × 2 Generic Matrices and a Coproduct Decomposition of its Trace Ring, Proceedings of the American Mathematical Society, Vol. 95, No. 2 (Oct., 1985), pp. 179-183