Poznań University of Technology
Poznan University of Technology, Institute of Mathematics ul. Piotrowo 3A, 60-965 Poznań, POLAND e-mail: fascicul.math@put.poznan.pl
Institute of Mathematics
EDITORIAL OFFICE
Poznan University of Technology, Institute of Mathematics, ul. Piotrowo 3A, 60-965 Poznań, Poland e-mail: fascicul.math@put.poznan.pl
Marian Dondajewski