# Emanuel Sperner

> German mathematician, best known for two theorems (1905-1980)

**Wikidata**: [Q67293](https://www.wikidata.org/wiki/Q67293)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Emanuel_Sperner)  
**Source**: https://4ort.xyz/entity/emanuel-sperner


## References

1. MacTutor History of Mathematics archive
2. Integrated Authority File
3. [Source](https://mathshistory.st-andrews.ac.uk/Biographies/Sperner/)
4. Czech National Authority Database
5. [Source](https://books.google.cat/books?id=6GuYDwAAQBAJ)
6. [Source](https://books.google.cat/books?id=AQPcDwAAQBAJ)
7. Mathematics Genealogy Project
8. International Standard Name Identifier
9. CiNii Research
10. Deutsche Mathematiker Vereinigung. Jahresbericht. 1982
11. [Source](https://books.google.cat/books?id=1B2yBQAAQBAJ)
12. Library of Congress Authorities
13. Freebase Data Dumps. 2013
14. Virtual International Authority File
15. National Library of Israel Names and Subjects Authority File
16. Catalogo of the National Library of India