UAM
Department of Discrete
Mathematics
Faculty
of Mathematics and Computer
Science
Umultowska 87
61-614 Poznań
pokój B3-23
tel. +48(61)829-5391
email:
rucinski@amu.edu.pl
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Emory
Department of Mathematics
Emory University
Atlanta, GA 30322
Room
tel.fax. 404-727-5611
tel.
404-727-3637
email: andrzej@mathcs.emory.edu
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