WYBRANIEC-SKARDOWSKA, U. The Double Ontological Nature of Language Signs and the Problem of Their Mutual Relations. Ruch Filozoficzny, [S. l.], v. 77, n. 1, p. 7–24, 2021. DOI: 10.12775/RF.2021.001. Disponível em: https://apcz.umk.pl/RF/article/view/RF.2021.001. Acesso em: 19 jul. 2024.