\bib{preprint/bernstein-abccong} \by Daniel J. Bernstein \paper Sharper ABC-based bounds for congruent polynomials \jour Journal de Th\'eorie des Nombres de Bordeaux \issn 1246--7405 \paperinfo to appear \url http://cr.yp.to/papers.html#abccong \id 1d9e079cee20138de8e119a99044baa3 \endref