\bib{1933/hall}
\yr 1933
\by Marshall Hall
\paper Quadratic residues in factorization
\jour Bulletin of the American Mathematical Society
\issn 0273--0979
\vol 39
\pages 758--763
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1933/\allowbreak hall
\endref