# M. M. Filippov

> Ph.D. Ruprecht-Karls-Universität Heidelberg 1892

**Wikidata**: [Q4484104](https://www.wikidata.org/wiki/Q4484104)  
**Source**: https://4ort.xyz/entity/m-m-filippov


## References

1. Mathematics Genealogy Project
2. Virtual International Authority File
3. Faceted Application of Subject Terminology
4. NUKAT
5. CONOR.BG
6. Bibliography of the History of the Czech Lands
7. MAK
8. National Library of Israel Names and Subjects Authority File