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Language: English
Submitted on: Nov 4, 2025
Accepted on: May 29, 2026
Published on: Jul 7, 2026
In partnership with: Paradigm Publishing Services
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© 2026 Grzegorz Guzik, published by University of Silesia in Katowice, Institute of Mathematics
This work is licensed under the Creative Commons Attribution 4.0 License.