\bib{preprint/bernstein-powers2}
\by Daniel J. Bernstein
\by Hendrik W. Lenstra, Jr.
\by Jonathan Pila
\paper Detecting perfect powers by factoring into coprimes
\url http://cr.yp.to/papers.html#powers2
\id bbd41ce71e527d3c06295aadccf60979
\endref