@article{1976-thurber
,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1976/\allowbreak thurber}}
,author={Edward G. Thurber}
,ISSN={0012--365X}
,journal={Discrete Mathematics}
,MR={55:5570}
,pages={279--289}
,title={{Addition chains and solutions of $l(2n)=l(n)$ and $l(2^n-1)=n+l(n)-1$}}
,volume={16}
,year={1976}
}