# V. L. Ryzhkov
**Wikidata**: [Q4401802](https://www.wikidata.org/wiki/Q4401802)  
**Source**: https://4ort.xyz/entity/v-l-ryzhkov


## References

1. Great Soviet Encyclopedia (1969–1978)
2. IdRef
3. Czech National Authority Database
4. Q137170397
5. Virtual International Authority File