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Quadratic form schemes and quaternionic schemes M. Kula, L. Szczepanik, Kazimierz Szymiczek (1988) Fundamenta Mathematicae
Quadratic forms and biquadratic reciprocity. Ezra Brown (1972) Journal für die reine und angewandte Mathematik
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Quadratic forms and sesquilinear forms in infinite dimensional spaces. Witt type theorems in spaces of denumerably infinite dimension Herbert Gross (1976) Mémoires de la Société Mathématique de France
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Quadratic forms, division algebras and inseparable multiquadratic extensions. (Formes quadratiques, algèbres à division et extensions multiquadratiques inséparables.) Mammone, Pasquale, Moresi, Remo (1995) Bulletin of the Belgian Mathematical Society - Simon Stevin
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Quadratic forms over fields with u = q/2 < + ∞ Craig Cordes, John Ramsey (1978) Fundamenta Mathematicae