# Johannes Hermanus Maria van Leeuwen

> Ph.D. Katholieke Universiteit Nijmegen 1996

**Wikidata**: [Q102315307](https://www.wikidata.org/wiki/Q102315307)  
**Source**: https://4ort.xyz/entity/johannes-hermanus-maria-van-leeuwen


## References

1. Mathematics Genealogy Project
2. Dutch National Thesaurus for Author Names