Involutorial Simple Algebras and Real Riemann Matrices
Alexa A. Albert · Annals of Mathematics · 1935
BtJkko Mi) Bjkkholki MPw* Bjtk/,/ki/ .. I/k, (X)a **.. (4.3) whose components are respectively forms of degree 2, 3, . . . r + 2, ... in X.This sequence as well as (3.1) forms a complete set of invariants, the relationship between them being given by Bjkkoh/k/.. .