# Oleg Dolgov

> Russian opera singer

**Wikidata**: [Q28497883](https://www.wikidata.org/wiki/Q28497883)  
**Source**: https://4ort.xyz/entity/oleg-dolgov-q28497883


## References

1. [Source](https://www.mos.ru/upload/documents/docs/47-YM(2).pdf)