лист Мёбиуса . EKI Combined Dictionary 2026. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/dlall/eki/%D0%BB%D0%B8%D1%81%D1%82%20%D0%9C%D1%91%D0%B1%D0%B8%D1%83%D1%81%D0%B0/1/rus (21.06.2026)
Translations
лист Мёбиуса . Matemaatika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mat/%D0%BB%D0%B8%D1%81%D1%82%20%D0%9C%D1%91%D0%B1%D0%B8%D1%83%D1%81%D0%B0/1/rus (21.06.2026)