Geodesic
Integral structures in algebraic tori
Izvestiya. Mathematics , Tome 59 (1995) no. 5, pp. 881-897.

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The main result is the construction of a minimal integral model of an algebraic torus defined over a complete non-Archimedean extension of an algebraic number field. The structure of such models is studied. The main problem is the study of the model in the case of a ramified splitting field. Reductions of these models with respect to a simple module are described. Minimal models of tori over the ring of algebraic integers are constructed. The local volumes and class numbers of some models are calculated. 
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V. E. Voskresenskii; T. V. Fomina. Integral structures in algebraic tori. Izvestiya. Mathematics , Tome 59 (1995) no. 5, pp. 881-897. http://geodesic.mathdoc.fr/item/IM2_1995_59_5_a0/

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