BESLER, Gabriela; MISZCZYŃSKI, Ryszard; SITEK, Grzegorz. Frege’s Way Out. Stanisław Leśniewski’s Unpublished Archival Document (1938). Folia Philosophica, [S. l.], v. 52, p. 1–15, 2024. DOI: 10.31261/fp.18595. Disponível em: https://journals.us.edu.pl/index.php/FOLIA/article/view/18595. Acesso em: 2 feb. 2026.