Leokadia Białas-Cież

Leonard Peter Bos

Alexander Goncharov

Anna Kamont

Maciej Klimek

Norman Levenberg

Wiesław Pleśniak

Jagiellonian University, Poland

Universita di Verona, Italy

Bilkent University, Turkey

Polish Academy of Sciences, Poland

Uppsala University, Sweden

Indiana University, USA

Jagiellonian University, Poland