Prof. dr hab. Kazimierz Szymiczek Algebra and Number Theory Group, chair Institute of Mathematics University of Silesia Some unpublished materials Office address: University of Silesia Institute of Mathematics Bankowa 14 PL-40-007 Katowice, Poland   tel/fax (+48 32) 2582976    Email:  szymiczek@ux2.math.us.edu.pl

Field of interest: Algebra and Number Theory.