ZHUMABEKOVA, G.E. Model-theoretic properties of semantic pairs and e.f.c.p. in Jonsson spectrum. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 112, n. 4, p. 185–193, 2023. DOI: 10.31489/2023m4/185-193. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/615. Acesso em: 3 jul. 2025.