Yeshkeyev A, Tungushbayeva I, Koshekova A. The cosemanticness of Kaiser hulls of fixed classes of models. M [Internet]. 2024 Mar. 29 [cited 2025 Sep. 16];113(1):208-17. Available from: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/696