# Jan-Erik Björk
**Wikidata**: [Q5577497](https://www.wikidata.org/wiki/Q5577497)  
**Source**: https://4ort.xyz/entity/jan-erik-bj-rk


## References

1. Sveriges befolkning 1990
2. Mathematics Genealogy Project
3. SHARE Catalogue
4. Virtual International Authority File
5. Svenska Dagbladet. 2019