# Ragnar Sigurdsson

> Ph.D. Lund University 1984

**Wikidata**: [Q102201058](https://www.wikidata.org/wiki/Q102201058)  
**Source**: https://4ort.xyz/entity/ragnar-sigurdsson


## References

1. Mathematics Genealogy Project
2. Virtual International Authority File
3. Integrated Authority File
4. National Library of Israel Names and Subjects Authority File