| N.U. Ahmed (Ottawa, Canada) |
J. Andres (Olomouc, Czech Republic) |
| A. Cegielski (Zielona Góra, Poland) |
G. Colombo (L'Aquila, Italy) |
| A. Fryszkowski (Warsaw, Poland) |
L. Górniewicz (Toruń, Poland) |
| V. V. Goncharov (Irkutsk, Russia) |
A. Hoffmann (Ilmenau, Germany) |
| I. Kubiaczyk (Poznań, Poland) |
V. Krivan (Ceske Budejovice, Czech Rep.) |
| P. Nistri (Firenze, Italy) |
|
| A. Nowak (Katowice, Poland) |
V. Obukhovskii (Voronezh, Russia) |
| D. Pallaschke (Karlsruhe, Germany) |
N.S. Papageorgiou (Athen, Greece) |
| L. Rybiński (Zielona Góra, Poland) |
T. Rzeżuchowski (Warsaw, Poland) |
| W. Schmidt (Greifswald, Germany) |
S. Szufla (Poznań, Poland) |
| A. Tolstonogov (Irkutsk, Russia) |
A. Wieczorek (Warsaw, Poland) |