ULBRIKHT, O.I.; POPOVA, N.V. A fragment of a theoretical set and its strongly minimal central type. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 111, n. 3, p. 152–164, 2023. DOI: 10.31489/2023m3/152-164. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/590. Acesso em: 1 sep. 2025.