# Walter Adri Kosters

> Ph.D. Universiteit Leiden 1985

**Wikidata**: [Q102221896](https://www.wikidata.org/wiki/Q102221896)  
**Source**: https://4ort.xyz/entity/walter-adri-kosters


## References

1. Mathematics Genealogy Project
2. Dutch National Thesaurus for Author Names
3. National Library of Israel Names and Subjects Authority File