# Y. J. Pijl

> Ph.D. Rijksuniversiteit Groningen 1989

**Wikidata**: [Q102256217](https://www.wikidata.org/wiki/Q102256217)  
**Source**: https://4ort.xyz/entity/y-j-pijl


## References

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