相关论文: Brauer groups and Tate-Shafarevich groups, II

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This paper was withdrawn by the authors. The mistake in math.AG/0209223 affects also this paper.

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This paper was withdrawn on 20.11.97.

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This paper has been withdrawn by the author, since it is now a part of "Classical aspects of lightlike dimensional reduction" Class.Quant.Grav.23:7085-7110, 2006, gr-qc/0610011

The paper was withdrawn by the author. Further research is needed.

This paper is withdrawn because the results in the paper are included in a paper to be published in Mathematical and Computer Modelling.

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This paper has been retracted, for obvious reasons.

This paper has been withdrawn to address an omission. It will be resubmitted in the near future.