Geodesic
Invariance theorems and algebraic groups with an almost-regular automorphism
Izvestiya. Mathematics, Tome 1 (1967) no. 3, pp. 667-675 
V. P. Platonov. Invariance theorems and algebraic groups with an almost-regular automorphism. Izvestiya. Mathematics, Tome 1 (1967) no. 3, pp. 667-675. http://geodesic.mathdoc.fr/item/IM2_1967_1_3_a8/
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     title = {Invariance theorems and algebraic groups with an almost-regular automorphism},
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Voir la notice de l'article provenant de la source Math-Net.Ru

We solve the problem of the solvability of a connected algebraic group, over an arbitrary field, which has an almost-regular automorphism. The results are used to prove existence theorems for invariant maximal tori and unipotent subgroups.

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