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4.17 (1973)

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If $\mathfrak{V}$ is a variety of groups, denote by $\widetilde{\mathfrak{V}}$ the class of all finite $\mathfrak{V}$-groups. How to characterize the classes of finite groups of the form $\widetilde{\mathfrak{V}}$ for $\mathfrak{V}$ a variety?

Contributor: R. Baer

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