# Nobusumi Sagara

> Ph.D. Hitotsubashi University 2005

**Wikidata**: [Q103208327](https://www.wikidata.org/wiki/Q103208327)  
**Source**: https://4ort.xyz/entity/nobusumi-sagara


## References

1. Mathematics Genealogy Project
2. Virtual International Authority File
3. [Source](https://data.dnb.de/opendata/authorities-gnd-person_lds.rdf.gz)
4. KAKEN
5. CiNii Research