\bib{1993/williams-root}
\yr 1993
\mr 93k:11003
\by Kenneth S. Williams
\by Kenneth Hardy
\paper A refinement of H. C. Williams' $q$th root algorithm
\jour Mathematics of Computation
\issn 0025--5718
\vol 61
\pages 475--483
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1993/\allowbreak williams-root
\endref