# Ubaldo Barbieri

> Italian mathematician (1874-1945)

**Wikidata**: [Q4002444](https://www.wikidata.org/wiki/Q4002444)  
**Source**: https://4ort.xyz/entity/ubaldo-barbieri


## References

1. Dizionario Biografico degli Italiani
2. Q137861295. 1943
3. Virtual International Authority File