# Matthias R. Fengler

> Ph.D. Humboldt-Universität zu Berlin 2004

**Wikidata**: [Q102266560](https://www.wikidata.org/wiki/Q102266560)  
**Source**: https://4ort.xyz/entity/matthias-r-fengler


## References

1. Integrated Authority File
2. IdRef
3. Mathematics Genealogy Project
4. Virtual International Authority File