Maslyuchenko, V. K., & Mykhailyuk, V. V. (2000). Characterization of the sets of discontinuity points of separately continuous functions of many variables on the products of metrizable spaces. Ukrains’kyi Matematychnyi Zhurnal, 52(6), 740–747. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/4468