Authors
Jan Chvalina
Department of Mathematics, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technická 8, 616 00, Brno, Czech Republic
Štěpán Kŕehlík
Department of Mathematics, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technická 8, 616 00, Brno, Czech Republic
Michal Novák
Department of Mathematics, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technická 8, 616 00, Brno, Czech Republic