Authors
Ioan A. Rus
Babeş-Bolyai University of Cluj-Napoca, Department of Mathematics, Cluj-Napoca, Romania
Marcel-Adrian Şerban
Babeş-Bolyai University of Cluj-Napoca, Department of Mathematics, Cluj-Napoca, Romania
© 2022 Ioan A. Rus, Marcel-Adrian Şerban, published by West University of Timisoara
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.