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On the theory of quadratic forms over formally real fields. (Zur Theorie der quadratischen Formen über formal reellen Körpern.) (German) Zbl 0273.13018


MSC:

11E81 Algebraic theory of quadratic forms; Witt groups and rings
12D99 Real and complex fields
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References:

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[14] Robinson, A.: Introduction to model theory and the metamathematics of algebra. Amsterdam: North-Holland Publishing Company 1963 · Zbl 0118.25302
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[16] Springer, T. A.: Sur les formes quadratiques d’indice zero. C.R.Acad.Sci.234, 1517-1519 (1952) · Zbl 0046.24303
[17] Witt, E.: Theorie der quadratischen Formen in beliebigen Körpern. J. reine angew. Math.176, 31-44 (1937) · Zbl 0015.05701
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