Nikodem, Kazimierz, Elżbieta Sadowska, and Szymon Wąsowicz. “A Note on Separation by Subadditive and Sublinear Functions”. Annales Mathematicae Silesianae 14 (July 23, 2022): 33-39. Accessed November 24, 2024. https://journals.us.edu.pl/index.php/AMSIL/article/view/14125.