Protopopov

https://dzen.ru/news/story/Dvukratnyj_olimpijskij_chempion_Protopopov_umer_vo_sne_31_oktyabrya--a9439c0086c87bbee277e43d43939186?lang=ru&from=main_portal&fan=1&stid=i1PLzvuAhNfoNs129h7d&t=1699094043&persistent_id=2760561390&tst=1699094698&story=d3a74f68-64d8-5a48-99d4-8d1f538a1c32&issue_tld=ru&utm_referrer=dzen.ru

https://www.gazetametro.ru/articles/kakih-vysot-dostig-sovetskij-figurist-oleg-protopopov-umershij-v-vozraste-91-goda-03-11-2023?utm_source=24smi&utm_medium=referral&utm_term=11049&utm_content=5554185&utm_campaign=42950

https://www.gazeta.ru/sport/news/2023/11/04/21642283.shtml?utm_source=yxnews&utm_medium=desktop

https://ru.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D1%82%D0%BE%D0%BF%D0%BE%D0%BF%D0%BE%D0%B2,_%D0%9E%D0%BB%D0%B5%D0%B3_%D0%90%D0%BB%D0%B5%D0%BA%D1%81%D0%B5%D0%B5%D0%B2%D0%B8%D1%87