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Pavesic, Petar – University of Ljubljana, Faculty of Mathematics and Physics
Pilarczyk, Paweł – Centre of Mathematics, University of Minho
Pullen, J. – Mercer University, Department of Mathematics
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Scoville, Nicholas A. – Ursinus College, Department of Mathematics and Computer Science
Silva, Nelson – Faculty of Mathematics and Computer Science, Adam Mickiewicz University in Poznań