- M. Grochowski (Cardinal Stefan Wyszynski University, Poland), e-mail: M.Grochowski@uksw.edu.pl
- B. Jakubczyk (Polish Academy of Sciences, Poland), e-mail: b.jakubczyk@impan.pl
- W. Kryński (Polish Academy of Sciences, Poland), e-mail: krynski@impan.pl
- G. Pietrzkowski (University of Warsaw, Poland), e-mail: G.Pietrzkowski@mimuw.edu.pl
- W. Respondek (INSA de Rouen, France), e-mail: Witold.Respondek@insa-rouen.fr