“Gottlob Frege on numbers. An attempt to determine the role of the history of mathematics in the work of philosophers” (2013) Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), (53), pp. 133–164. Available at: https://zfn.edu.pl/index.php/zfn/article/view/60 (Accessed: 9 October 2025).