YESHKEYEV, A.; YARULLINA, A.; KASSYMETOVA, M. On Kaiser class of unars in expanded signature. Eurasian Mathematical Journal, [S. l.], v. 17, n. 2, p. 58–69, 2026. DOI: 10.32523/2077-9879-2026-17-2-58-69. Disponível em: https://emj.enu.kz/index.php/main/article/view/1025. Acesso em: 10 jul. 2026.