\bib{1991/zantema}
\yr 1991
\mr 92i:68064
\by Hans Zantema
\paper Minimizing sums of addition chains
\jour Journal of Algorithms
\issn 0196--6774
\vol 12
\pages 281--307
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1991/\allowbreak zantema
\endref