EDITORS
Milosav Marjanovi� (University of Belgrade, Serbia)
Zoran Kadelburg (University of Belgrade, Serbia)
Editorial Advisory Board:
Mark Ivanovitsch Bashmakov (Russian
Academy of Education, Russia)
Lenni Haapasalo, University of Joensuu,
Finland
Vladimir Jankovi� (University of Belgrade, Serbia)
Djordje Kadijevi� (Mathematical Institute, Belgrade, Serbia)
Aleksandar Lipkovski (University of Belgrade, Serbia)
Vladimir Mi�i� (University of Belgrade, Serbia)
�arko
Pavi�evi� (University of Podgorica, Montenegro)
Zoran Rista
Pop-Stojanovi� (University of Florida, Gainesville, Florida, USA)
Nikolai
Khristovich Rozov (Moscow State University, Russia)
Viktor Antonovich
Sadovnichii (Moscow State University, Russia)
Jordan Tabov (Bulgarian
Academy of Sciences, Sofia, Bulgaria)
Bernd Zimmermann (Friedrich Schiller
University of Jena, Germany)