@inproceedings{1973-shanks ,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1973/\allowbreak shanks}} ,author={Daniel Shanks} ,crossref={1973-thomas} ,MR={51:8072} ,pages={51--70} ,title={{Five number-theoretic algorithms}} ,year={1973} }