# Eugen Jahnke

> German mathematician (1863-1921)

**Wikidata**: [Q103221](https://www.wikidata.org/wiki/Q103221)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Eugen_Jahnke)  
**Source**: https://4ort.xyz/entity/eugen-jahnke


## References

1. Integrated Authority File
2. Mathematics Genealogy Project
3. [Source](https://www.deutsche-biographie.de/gnd117065862.html)
4. general catalog of BnF
5. Virtual International Authority File
6. CiNii Research
7. [Deutsche Biographie](https://www.deutsche-biographie.de/gnd117065862.html)
8. [BnF authorities](https://data.bnf.fr/ark:/12148/cb123517512)
9. Freebase Data Dumps. 2013
10. Autoritats UB