Kominek, Zygfryd, and Marek Kuczma. “Theorem of Bernstein-Doetsh in Baire Spaces”. Annales Mathematicae Silesianae 5 (September 30, 1991): 10-17. Accessed May 17, 2024. https://www.journals.us.edu.pl/index.php/AMSIL/article/view/14276.