# Sampei Usui

> Thèse d'Etat Université Paris-Sud XI - Orsay 1982

**Wikidata**: [Q11613211](https://www.wikidata.org/wiki/Q11613211)  
**Source**: https://4ort.xyz/entity/sampei-usui


## References

1. Mathematics Genealogy Project
2. Virtual International Authority File
3. Researchmap