Wójcik, Wiesław. “The Phenomenon of the Polish School of Mathematics and the Emigration of Polish Mathematicians During World War II”. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), no. 53 (December 12, 2013): 11–52. Accessed April 26, 2024. https://zfn.edu.pl/index.php/zfn/article/view/57.