Yeshkeyev, Aibat, Maira Kasymetova, and Nazgul Shamatayeva. “Model-Theoretic Properties of the #-Companion of a Jonsson Set”. Eurasian Mathematical Journal 9, no. 2 (June 30, 2018). Accessed October 30, 2025. https://emj.enu.kz/index.php/main/article/view/117.