V. K. Maslyuchenko and V. V. Nesterenko, “Joint Continuity and Quasicontinuity of Horizontally Quasicontinuous Mappings”, Ukr. Mat. Zhurn., vol. 52, no. 12, pp. 1711–1714, Dec. 2000, Accessed: Feb. 16, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4575