# Selim Kreyn

> Russian mathematician (1917–1999)

**Wikidata**: [Q4240018](https://www.wikidata.org/wiki/Q4240018)  
**Source**: https://4ort.xyz/entity/selim-kreyn


## References

1. BnF authorities
2. Czech National Authority Database
3. Q136094914
4. Mathematics Genealogy Project
5. general catalog of BnF
6. Virtual International Authority File
7. CiNii Research
8. Pedagogues and Psychologists of the World
9. CONOR.SI
10. National Library of Israel Names and Subjects Authority File