- Current Index to Statistics – Extended Database (CIS/ED) (https://www.statindex.org),
- Google Scholar (https://scholar.google.com),
- Index Copernicus (https://journals.indexcopernicus.com),
- MathSciNet (http://www.ams.org/mathscinet),
- Scilit (https://www.scilit.net),
- Zentralblatt MATH Database (zbMATH) (https://zbmath.org).