H. Miloshevich
Serbian University in Kosovska Mitrovica
Czechoslovakia

Hranislav Milosevic – Doctor of Technical Sciences, Professor at the Faculty of Mathematical Science and Information Technology

Y. N. Zaharov
Kemerovo State University
Russian Federation

Yury N. Zakharov – Doctor of Physics and Mathematics, Professor at the Department of Computational Mathematics

N. Kontrec
Serbian University in Kosovska Mitrovica
Czechoslovakia

Natasa Kontrec – Assistant Lecturer at the Faculty of Mathematical Science and Information Technology

A. I. Zimin
Institute of Computational Technologies of the Siberian Branch of the RAS, Novosibirsk
Russian Federation

Anton I. Zimin –post-graduate student 

I. S. Nudner
Baltic State Technical University «Voenmeh» named after D. F. Ustinov, St.-Petersburg
Russian Federation

Igor S. Nudner – Doctor of Technical Sciences, Professor 

V. V. Ragulin
Kemerovo State University
Russian Federation

Vladimir V. Ragulin – Candidate of Physics and Mathematics, Assistant Professor at the Department of Differential Equations