@article{01852871, title = {Spaces whose only finite-sheeted covers are themselves. I.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {30}, year = {2002}, pages = {81-92}, doi = {10.1155/S0161171202109136}, zbl = {1010.54035}, language = {en}, url = {http://dml.mathdoc.fr/item/01852871} }
Timm, Mathew. Spaces whose only finite-sheeted covers are themselves. I.. International Journal of Mathematics and Mathematical Sciences, Tome 30 (2002) pp. 81-92. doi : 10.1155/S0161171202109136. http://gdmltest.u-ga.fr/item/01852871/