Piotrowski, Dariusz. « The Financial Aspect of Intergenerational Solidarity from the Point of View of the Senior ». Copernican Journal of Finance & Accounting 3, no. 2 (novembre 21, 2014): 111–126. Consulté le juillet 2, 2024. https://apcz.umk.pl/CJFA/article/view/CJFA.2014.021.