\bib{1993/heath-brown-solving}
\yr 1993
\mr 94f:11132
\by D. R. Heath-Brown
\by W. M. Lioen
\by H. J. J. te Riele
\jour Mathematics of Computation
\issn 0025--5718
\vol 61
\pages 235--244
\url http://links.jstor.org/sici?sici=0025-5718(199307)61:203<235:OSTDEO>2.0.CO;2-H
\endref