Polak, Paweł Jan. “Mathematics and Metaphysics: The History of the Polish Philosophy of Mathematics from the Romantic Era”. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), no. 71 (December 31, 2021): 45–74. Accessed April 3, 2025. https://zfn.edu.pl/index.php/zfn/article/view/565.