# A. R. C. M. Extra

> Ph.D. Katholieke Universiteit Nijmegen 1976

**Wikidata**: [Q102217725](https://www.wikidata.org/wiki/Q102217725)  
**Source**: https://4ort.xyz/entity/a-r-c-m-extra


## References

1. Mathematics Genealogy Project
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Dutch National Thesaurus for Author Names