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On subgroups of the unitary group over a semilocal ring. (English. Russian original) Zbl 0521.20029

Russ. Math. Surv. 37, No. 4, 145-146 (1982); translation from Usp. Mat. Nauk 37, No. 4(226), 147-148 (1982).

MSC:

20G35 Linear algebraic groups over adèles and other rings and schemes
20E07 Subgroup theorems; subgroup growth
20E15 Chains and lattices of subgroups, subnormal subgroups
20H25 Other matrix groups over rings
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