## S. A. Grigorian, R. N. Gumerov, A. V. Kazantsev Group structure in finite coverings of compact solenoidal groups (Lobachevskii Journal of Mathematics, Vol.6, pp.39-46

Let $p:X \rightarrow G$ be an n - fold covering of a compact solenoidal group $G$ by a connected topological space $X$. We prove that there exists a group structure in $X$ turning $p$ into a homomorphism between compact abelian groups.

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