@article{1991-stewart
,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1991/\allowbreak stewart}}
,author={C. L. Stewart and Kunrui Yu}
,ISSN={0025--5831}
,journal={Mathematische Annalen}
,MR={92k:11037}
,pages={225--230}
,title={{On the $abc$ conjecture}}
,volume={291}
,year={1991}
}