# Siebren Gerrit van der Wal

> Ph.D. Rijksuniversiteit Groningen 1971

**Wikidata**: [Q102314599](https://www.wikidata.org/wiki/Q102314599)  
**Source**: https://4ort.xyz/entity/siebren-gerrit-van-der-wal


## References

1. Mathematics Genealogy Project