Maslyuchenko VK, Filipchuk OI. Discontinuity points of separately continuous mappings with at most countable set of values. Ukr. Mat. Zhurn. [Internet]. 2019Jun.25 [cited 2024Nov.23];71(6):801-7. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1477