Authors
Miroslav D. Maksimović
Department of Mathematics, Faculty of Sciences and Mathematics, University of Priština in Kosovska Mitrovica, Serbia
Svetozar R. Rančić
Department of Mathematics, Faculty of Sciences and Mathematics, University of Niš, Serbia
Marija S. Najdanović
Department of Mathematics, Faculty of Sciences and Mathematics, University of Priština in Kosovska Mitrovica, Serbia
Ljubica S. Velimirović
Department of Mathematics, Faculty of Sciences and Mathematics, University of Niš, Niš, Serbia
Eugen S. Ljajko
Department of Mathematics, Faculty of Sciences and Mathematics, University of Priština in Kosovska Mitrovica, Serbia