Wójtowicz, Krzysztof. “The Kinds of Mathematical Quasi-Empirism”. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), no. 44 (June 2, 2009): 61–83. Accessed May 17, 2024. https://www.zfn.edu.pl/index.php/zfn/article/view/212.