ZUZIAK, Władysław. Jean-Paul Sartre and Louis Lavelle – Two Existential Conceptions of Humanism and their Ethical Consequences. Kwartalnik Naukowy Fides et Ratio, [S. l.], v. 48, n. 4, p. 91–102, 2021. DOI: 10.34766/fetr.v48i4.977. Disponível em: https://fidesetratio.com.pl/ojs/index.php/FetR/article/view/977. Acesso em: 30 jan. 2026.