@article{1994-alford
,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1994/\allowbreak alford}}
,author={W. R. Alford and Andrew Granville and Carl Pomerance}
,ISSN={0003--486X}
,journal={Annals of Mathematics}
,MR={95k:11114}
,pages={703--722}
,title={{There are infinitely many Carmichael numbers}}
,volume={139}
,year={1994}
}