# Willem Andries van Leeuwen

> Ph.D. Universiteit van Amsterdam 1971

**Wikidata**: [Q102345246](https://www.wikidata.org/wiki/Q102345246)  
**Source**: https://4ort.xyz/entity/willem-andries-van-leeuwen


## References

1. IdRef
2. Mathematics Genealogy Project
3. Virtual International Authority File
4. CiNii Research