# Johannes Bernardus Dirk Derksen

> Ph.D. Universiteit Leiden 1935

**Wikidata**: [Q102313468](https://www.wikidata.org/wiki/Q102313468)  
**Source**: https://4ort.xyz/entity/johannes-bernardus-dirk-derksen


## References

1. Mathematics Genealogy Project
2. [Source](https://www.econometricsociety.org/society/organization-and-governance/fellows/memoriam)
3. National Library of Israel Names and Subjects Authority File