\bib{1986/bach}
\yr 1986
\mr 87k:11139
\by Eric Bach
\by Gary Miller
\by Jeffrey Shallit
\paper Sums of divisors, perfect numbers, and factoring
\jour SIAM Journal on Computing
\issn 0097--5397
\vol 15
\pages 1143--1154
\seeolder \cite{1984/bach}
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1986/\allowbreak bach
\endref