David Eppstein
BIT 32(2):237–248, 1992
Proc. 2nd Scandinavian Worksh. Algorithm Theory (SWAT 1990), Lecture Notes in Computer Science 447, John Russell Gilbert
and Rolf G. Karlsson, ed., Springer-Verlag, Jul 1990, pp. 38–47
Mathematical Reviews 94e:05082
http://www.ics.uci.edu/~eppstein/pubs/Epp-BIT-92.pdf
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