# András Hajnal

> Hungarian set theorist (b.1931)

**Wikidata**: [Q515987](https://www.wikidata.org/wiki/Q515987)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/András_Hajnal)  
**Source**: https://4ort.xyz/entity/andr-s-hajnal


## References

1. [PIM identifier](https://resolver.pim.hu/auth/PIM57147)
2. Integrated Authority File
3. [Source](http://dimacs.rutgers.edu/about/people/staff/)
4. MacTutor History of Mathematics archive
5. Mathematics Genealogy Project
6. [Source](http://www.ams.org/fellows_by_year.cgi?year=2013)
7. [Source](http://www.ams.org/news?news_id=1680)
8. International Standard Name Identifier
9. Virtual International Authority File
10. CiNii Research
11. IdRef
12. CONOR.SI
13. [Source](http://opac-nevter.pim.hu)
14. National Library of Israel Names and Subjects Authority File