# Mikhail Vitalʹevich Efimov
**Wikidata**: [Q112549753](https://www.wikidata.org/wiki/Q112549753)  
**Source**: https://4ort.xyz/entity/mikhail-vital-evich-efimov


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Virtual International Authority File
4. CiNii Research