# Jan de Graaf

> Ph.D. Technische Universiteit Eindhoven 1970

**Wikidata**: [Q102218718](https://www.wikidata.org/wiki/Q102218718)  
**Source**: https://4ort.xyz/entity/jan-de-graaf-q102218718


## References

1. Mathematics Genealogy Project
2. CiNii Research
3. Dutch National Thesaurus for Author Names
4. National Library of Israel Names and Subjects Authority File