Koporkh, Kateryna, and Oksana Mykytsey. “Way Below and Way Above Relation for Quotient Objects of Compacta”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, no. 22(83) (April 24, 2026): 88–94. Accessed April 25, 2026. https://pvntsh.nung.edu.ua/index.php/number/article/view/2239.