1.
Luty-Michalak M. Demographic Conditions and the Principle of Solidarity in Pay-As-You-Go Pension System in Poland. P&W [Internet]. 2023 Nov. 17 [cited 2025 Apr. 4];(3 (46):617-36. Available from: https://prawoiwiez.edu.pl/index.php/piw/article/view/548