Maslyuchenko, V. K., & Nesterenko, V. V. (2000). Joint Continuity and Quasicontinuity of Horizontally Quasicontinuous Mappings. Ukrains’kyi Matematychnyi Zhurnal, 52(12), 1711-1714. https://umj.imath.kiev.ua/index.php/umj/article/view/4575