International Journal of Mathematics and Mathematical Sciences 
Volume 32 (2002), Issue 2, Pages 81-92
doi:10.1155/S0161171202109136

Spaces whose only finite-sheeted covers are themselves. Part I

Mathew Timm

 Department of Mathematics, Bradley University, Peoria 61625, IL, USA
Received 15 September 2001

Abstract

This is a survey of results and open questions related to the topology of spaces that have no nontrivial finite-sheeted covers.