# Q94389270

> Doctoral thesis by George David Birkhoff, University of Chicago Mathematics, 1907

**Wikidata**: [Q94389270](https://www.wikidata.org/wiki/Q94389270)  
**Source**: https://4ort.xyz/entity/q94389270


## References

1. Mathematics Genealogy Project
2. [Source](https://catalog.lib.uchicago.edu/vufind/Record/4166035?sid=75628179)