Authors
Ivana Petkovski
Mathematical Institute of the Serbian Academy of Sciences and Arts, Belgrade, Serbia
Petar Vranić
Mathematical Institute of the Serbian Academy of Sciences and Arts, Belgrade, Serbia
© 2025 Ivana Petkovski, Petar Vranić, published by Poznan University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.