Institution: | 1. FEECS, University of Maribor, Smetanova 17, 2000 Maribor, Slovenia;2. Department of Mathematics and Computer Science, PeF, University of Maribor, Koroška cesta 160, 2000 Maribor, Slovenia;3. Department of Mathematics, University of Ljubljana, Jadranska 19, 1111 Ljubljana, Slovenia;4. Charles University, Faculty of Mathematics and Physics, DIMATIA, and Institute for Theoretical Computer Science (ITI) Malostranské nám. 2/25, 118 00, Prague, Czech Republic |