# Dirk Ferus

> Ph.D. Universität zu Köln 1968

**Wikidata**: [Q102105232](https://www.wikidata.org/wiki/Q102105232)  
**Source**: https://4ort.xyz/entity/dirk-ferus


## References

1. IdRef
2. Mathematics Genealogy Project
3. Czech National Authority Database
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Virtual International Authority File
6. CiNii Research
7. Personal Authority Wikibase of the Czech Republic