\bib{1984/lenstra} \yr 1984 \mr 85b:11118 \by Hendrik W. Lenstra, Jr. \paper Divisors in residue classes \jour Mathematics of Computation \issn 0025--5718 \vol 42 \pages 331--340 \url http://www.jstor.org/sici?sici=0025-5718(198401)42:165<331:DIRC>2.0.CO;2-6 \endref