@article{1978-graham
,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1978/\allowbreak graham}}
,author={Ronald L. Graham and Andrew C. Yao and Frances F. Yao}
,ISSN={0012--365X}
,journal={Discrete Mathematics}
,MR={80d:68051}
,pages={115--119}
,title={{Addition chains with multiplicative cost}}
,volume={23}
,year={1978}
}