# Roelof Cornelis de Vrijer

> Ph.D. Universiteit van Amsterdam 1987

**Wikidata**: [Q102253372](https://www.wikidata.org/wiki/Q102253372)  
**Source**: https://4ort.xyz/entity/roelof-cornelis-de-vrijer


## References

1. BnF authorities
2. Mathematics Genealogy Project
3. National Library of Israel Names and Subjects Authority File