@article{1991-zantema
,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1991/\allowbreak zantema}}
,author={Hans Zantema}
,ISSN={0196--6774}
,journal={Journal of Algorithms}
,MR={92i:68064}
,pages={281--307}
,title={{Minimizing sums of addition chains}}
,volume={12}
,year={1991}
}