MRUCZEK-NASIENIEWSKA, Krystyna. On certain Płonka’s constructions. Studia z Historii Filozofii, [S. l.], v. 16, n. 4, p. 7–18, 2025. DOI: 10.12775/szhf.2025.031. Disponível em: https://apcz.umk.pl/szhf/article/view/67585. Acesso em: 20 grudz. 2025.