DOI: https://doi.org/10.2478/amsil-2020-0003 | Journal eISSN: 2391-4238 (formerly 0860-2107) | Journal ISSN: 0860-2107
Language: English
Page range: 73 - 80
Submitted on: Nov 8, 2019
Accepted on: Mar 6, 2020
Published on: May 8, 2020
Published by: University of Silesia in Katowice, Institute of Mathematics
In partnership with: Paradigm Publishing Services
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© 2020 Roman Ger, published by University of Silesia in Katowice, Institute of Mathematics
This work is licensed under the Creative Commons Attribution 4.0 License.