# Roelof Helmers

> Ph.D. Universiteit Leiden 1978

**Wikidata**: [Q102256108](https://www.wikidata.org/wiki/Q102256108)  
**Source**: https://4ort.xyz/entity/roelof-helmers


## References

1. Integrated Authority File
2. Mathematics Genealogy Project
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810545132005606)