Geodesic
Elementary equivalence of Chevalley groups over local rings
Sbornik. Mathematics, Tome 201 (2010) no. 3, pp. 321-337

Voir la notice de l'article provenant de la source Math-Net.Ru

It is proved that (elementary) Chevalley groups over local rings with invertible 2 are elementarily equivalent if and only if their types and weight lattices coincide and the initial rings are elementarily equivalent. Bibliography: 25 titles.
Keywords: Chevalley groups, elementary equivalence, local rings. 
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     title = {Elementary equivalence of {Chevalley} groups over local rings},
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E. I. Bunina. Elementary equivalence of Chevalley groups over local rings. Sbornik. Mathematics, Tome 201 (2010) no. 3, pp. 321-337. http://geodesic.mathdoc.fr/item/SM_2010_201_3_a0/