\bib{1979/hehner}
\yr 1979
\mr 80h:68027
\by Eric C. R. Hehner
\by R. Nigel Horspool
\paper A new representation of the rational numbers for fast easy arithmetic
\jour SIAM Journal on Computing
\issn 0097--5397
\vol 8
\pages 124--134
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1979/\allowbreak hehner
\endref