# Johan Lyhagen

> Ph.D. Uppsala Universitet 1997

**Wikidata**: [Q102343624](https://www.wikidata.org/wiki/Q102343624)  
**Source**: https://4ort.xyz/entity/johan-lyhagen


## References

1. Mathematics Genealogy Project
2. [Source](https://www.uu.se/download/18.281eec13195c8a4b92128ce/1742860424483/AA1.pdf)
3. Personal Authority Wikibase of the Czech Republic