LUTSAK, S.M.; BASHEYEVA, A.O.; ASANBEKOV, A.M.; VORONINA, O.A. Some non-standard quasivarieties of lattices. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 111, n. 3, p. 72–80, 2023. DOI: 10.31489/2023m3/72-80. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/584. Acesso em: 1 sep. 2025.