Institution: | 1. Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia;2. Department of Mathematics, Institute of Mathematics, Physics, and Mechanics, Slovenia;3. Department of Mechanics and Mathematics, Faculty of Algebra, Lomonosov Moscow State University, Moscow, Russia;4. Department of Mathematics, Institute of Mathematics, Physics, and Mechanics, Slovenia;5. Faculty of Mathematics, Natural Sciences and Information Technologies, University of Primorska, Koper, Slovenia |