Open Access Policy

Approximation Theory and Special Functions (ATSF) is an open-access journal. All content is freely available online immediately upon publication without any subscription or access charges.

Readers are permitted to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author. This is in accordance with the BOAI definition of open access.

All published articles are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0), which allows unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

The journal does not charge any article processing charges (APCs) or submission fees.