Authors
Emilia-Loredana Pop
Babeş-Bolyai University, Cluj-Napoca Faculty of Mathematics and Computer Science, Department of Computer Science, Cluj-Napoca, Romania
Dorel I. Duca
Babeş-Bolyai University, Cluj-Napoca Faculty of Mathematics and Computer Science Department of Mathematics, Cluj-Napoca, Romania
Augusta Raţiu
Lucian Blaga University of Sibiu Faculty of Sciences, Department of Mathematics and Informatics, Sibiu, Romania