Authors who submit and publish their materials in Bulletin of Cherkasy University. Series: Physical and Mathematical Sciences agree to the following terms.

1. Authorship and first publication
Authors retain full copyright in their scholarly work and grant the journal the right of first publication.

Published materials are distributed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) license, which permits others to freely use, copy, distribute, and reproduce the work, provided that authorship is properly acknowledged and reference is made to the first publication in this journal.

Detailed license terms are available at:
https://drive.google.com/file/d/1Cyjg8Sj2IUVWeMSyENYXl0VajHcYkRoG/view

2. Additional non-exclusive distribution
Authors have the right to enter into additional agreements for the non-exclusive distribution of their work in the form in which it was published by the journal.

This includes, in particular:

• depositing the article in an institutional electronic repository;

• publishing it as part of a monograph;

• reposting it on personal or academic web resources.

A mandatory condition is that reference to the first publication in the journal must be preserved.

3. Self-archiving and prior posting
The editorial policy allows and encourages authors to make the manuscript available on the Internet, including:

• in institutional electronic repositories;

• on personal websites;

• on scholarly platforms.

Such posting is permitted both before submission of the manuscript to the Editorial Office and during the editorial processing stage.

The Editorial Office considers this practice to contribute to the development of scholarly communication, the active discussion of research results, and to have a positive effect on the speed and dynamics of citation of published works.