Indexing

Approximation Theory and Special Functions (ATSF) is indexed and listed in several international academic databases and open-access directories.

• Crossref – All articles are assigned a DOI (Digital Object Identifier) under the prefix 10.65135.
• ISSN Portal (ISSN 3108-5083) – Officially registered in the ISSN International Centre.
• OpenAlex – Indexed as an open-access mathematics journal.
• Scilit (MDPI) – Articles automatically indexed through Crossref metadata.
• Google Scholar – All published papers are discoverable via Google Scholar search.
• ROAD (Directory of Open Access Scholarly Resources) – Registered in the ISSN-ROAD system for open-access journals.

The journal is also under preparation for other recognized indexing databases.