Published Online: Sep 26, 2023
Page range: 23 - 29
Accepted: Mar 31, 2023
DOI: https://doi.org/10.2478/forma-2023-0003
Keywords
© 2023 Artur Korniłowicz, published by Sciendo
This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Public License.
In this paper problems 48, 80, 87, 89, and 124 from [