The official (PostScript) version as well as BibTeX references can be found at the Electronic Journal of Combinatorics.
For the
A. Di Bucchianico
D. Loeb
Eindhoven University of Technology
Dept. of Mathematics & Computer Science
P.O. Box 513
5600 MB Eindhoven, The Netherlands
sandro@win.tue.nl
-
LaBRI
Université de Bordeaux I
33405 Talence, France
loeb@labri.u-bordeaux.fr
AMS Classification :
05A40
Wed Apr 26 16:22:03 MET DST 1995