Authors
Alexandru Mihai Bica
University of Oradea, Faculty of Informatics and Sciences. Department of Mathematics and Informatics, Oradea, Romania
Diana Curilă
University of Oradea, Faculty of Informatics and Sciences, Department of Mathematics and Informatics, Oradea, Romania
Zoltan Satmari
University of Oradea, Faculty of Informatics and Sciences, Department of Mathematics and Informatics, Oradea, Romania