Yeshkeyev, A. R., M. T. Kassymetova, and O. I. Ulbrikht. “On the Jonsson Pairs of Abelian Groups in the Enriched Language”. Journal of Mathematics, Mechanics and Computer Science 95, no. 3 (August 22, 2018): 32–49. Accessed December 4, 2024. https://bm.kaznu.kz/index.php/kaznu/article/view/466.