@article{1981-downey
,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1981/\allowbreak downey}}
,author={Peter Downey and Benton Leong and Ravi Sethi}
,ISSN={0097--5397}
,journal={SIAM Journal on Computing}
,MR={82h:68064}
,pages={638--646}
,title={{Computing sequences with addition chains}}
,volume={10}
,year={1981}
}