Invitation for reading and submitting papers

We would like to invite you to read published papers and submit articles for the next issues planned for 2022 (second half of the year) and 2023. The first issue of 2022 is in the editorial works.  In the meantime, we invite you to read the last issue published in the end of 2021: https://p-e.up.krakow.pl/issue/view/626