двузначная функция . Matemaatika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mat/%D0%B4%D0%B2%D1%83%D0%B7%D0%BD%D0%B0%D1%87%D0%BD%D0%B0%D1%8F%20%D1%84%D1%83%D0%BD%D0%BA%D1%86%D0%B8%D1%8F/1/rus (14.11.2026)
двузначная функция . Matemaatika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mat/%D0%B4%D0%B2%D1%83%D0%B7%D0%BD%D0%B0%D1%87%D0%BD%D0%B0%D1%8F%20%D1%84%D1%83%D0%BD%D0%BA%D1%86%D0%B8%D1%8F/1/rus (14.11.2026)
