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12.4 (1992)

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Let $G$ be a group and assume that we have $[x, y]^3 = 1$ for all $x, y \in G$. Is $G'$ of finite exponent? Is $G$ soluble? By a result of N. D. Gupta and N. S. Mendelssohn, 1967, we know that $G'$ is a 3-group.

Contributor: R. Brandl

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