In Elman and Lam , aWAPa was shown to be equivalent to aSAP, a and also to the stable linkage of Pfister forms. ... The generalization of the notion of SAP fields to the notion of SAP preorderings was given in Becker and KAppping .
|Title||:||Orderings, Valuations and Quadratic Forms|
|Author||:||Tsit-Yuen Lam, Conference Board of the Mathematical Sciences|
|Publisher||:||American Mathematical Soc. - 1983|