@article{1989-bergeron ,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1989/\allowbreak bergeron}} ,author={Fran\c cois Bergeron and Jean Berstel and Sre\v cko Brlek and C. Duroc} ,ISSN={0196--6774} ,journal={Journal of Algorithms} ,pages={403--412} ,title={{Addition chains using continued fractions}} ,volume={10} ,year={1989} }