| Institution: | 1. Institute of Mathematics, Faculty of Science, P.J. Šafárik University, Košice, Slovakia;2. Department of Management Science & Technology, Athens University of Economics and Business, 76 Patission Ave., 104 34 Athens, Greece;3. Budapest University of Technology and Economics Magyar tudósok körútja 2, H-1117, Budapest, Hungary;4. MTA-ELTE Egerváry Research Group, Hungary;5. Department of Informatics, Technological Educational Institute of Athens, Ag. Spyridonos Str., 12210, Egaleo, Greece |
