Geodesic
The~Number of Nonequivalent Cyclic Coverings over a~Seifert Fiber Space
Matematičeskie trudy, Tome 6 (2003) no. 1, pp. 182-201.

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This article is devoted to the problem of finding the number of nonequivalent cyclic $n$-sheeted coverings over a Seifert fiber space without exceptional fibers. We obtain exact formulas for determining the number of nonequivalent cyclic $n$-sheeted coverings over an arbitrary manifold that belongs to the above class. 
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M. N. Shmatkov. The~Number of Nonequivalent Cyclic Coverings over a~Seifert Fiber Space. Matematičeskie trudy, Tome 6 (2003) no. 1, pp. 182-201. http://geodesic.mathdoc.fr/item/MT_2003_6_1_a7/

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