A Condition for a Finite Group to be Cyclic

J. H. E. Cohn
1972 Proceedings of the American Mathematical Society  
A finite group, with the property that for every prime power q=pk there are at most/?4+l -1 elements in the group whose qth power is the identity, is a cyclic group.
doi:10.2307/2038303 fatcat:jd62fve3tza3fhzcag7j6dfyxi