# Geert Jan Olsder

> Dutch mathematician

**Wikidata**: [Q20570384](https://www.wikidata.org/wiki/Q20570384)  
**Source**: https://4ort.xyz/entity/geert-jan-olsder


## References

1. Czech National Authority Database
2. Mathematics Genealogy Project
3. [Source](http://www.isdg-site.org/Award)
4. Virtual International Authority File
5. CiNii Research