# Klaus Steffen

> German mathematician

**Wikidata**: [Q15455611](https://www.wikidata.org/wiki/Q15455611)  
**Source**: https://4ort.xyz/entity/klaus-steffen-q15455611


## References

1. Integrated Authority File
2. Mathematics Genealogy Project
3. Virtual International Authority File
4. Autoritats UB
5. NUKAT