References
H. Bass, Clifford algebras and spinor norms over a commutative ring. Amer. J. Math.96, 156–206 (1974).
M.Demazure et P.Gabriel, Groupes Algébriques. Amsterdam 1976.
M. A. Knus andA. Paques, Quadratic spaces with trivial Arf invariant. J. Algebra93, 267–291 (1985).
W. C.Waterhouse, Introduction to Affine Group Schemes. Graduate Texts in Math.66, Berlin-Heidelberg-New York 1979.
Author information
Authors and Affiliations
Additional information
This work was supported in part by the US National Science Foundation, Grant No. DMS8701690.
Rights and permissions
About this article
Cite this article
Waterhouse, W.C. A local determination theorem for finite principal homogeneous spaces. Arch. Math 56, 242–244 (1991). https://doi.org/10.1007/BF01190211
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01190211