# Q109910319
**Wikidata**: [Q109910319](https://www.wikidata.org/wiki/Q109910319)  
**Source**: https://4ort.xyz/entity/q109910319


## References

1. [Source](http://www.tsagi.ru/upload/iblock/5a7/5a7dd69d62eb5acdf160dca066cf8ae9.pdf)
2. [Source](https://lycu1580.mskobr.ru/teacher-card/ovchinnikov-valeriy-valerevich-1607691571)
3. [Source](https://academygps.ru/struktura-14/kafedry-31/kafedra-mekhaniki-i-inzhenernoy-grafiki-133/istoricheskaya-spravka-1262/)
4. svoya-igra.org