# Lucjan Siewierski

> Polish mathematician

**Wikidata**: [Q18638094](https://www.wikidata.org/wiki/Q18638094)  
**Source**: https://4ort.xyz/entity/lucjan-siewierski


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb115297100)
2. Mathematics Genealogy Project
3. Czech National Authority Database
4. Virtual International Authority File