# Machiel Keestra

> Ph.D. Universiteit van Amsterdam 2014

**Wikidata**: [Q102437613](https://www.wikidata.org/wiki/Q102437613)  
**Source**: https://4ort.xyz/entity/machiel-keestra


## References

1. Virtual International Authority File
2. Mathematics Genealogy Project
3. National Library of Israel Names and Subjects Authority File