шестой . EKI Combined Dictionary 2026. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/dlall/eki/%D1%88%D0%B5%D1%81%D1%82%D0%BE%D0%B9/1/rus (21.06.2026)
Translations
шестой . Matemaatika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mat/%D1%88%D0%B5%D1%81%D1%82%D0%BE%D0%B9/1/rus (21.06.2026)