Tuchańska, Barbara. “The Problem of Cognition As an Ontological Question”. Acta Universitatis Lodziensis. Folia Philosophica. Ethica-Aesthetica-Practica, no. 6 (January 1, 1988): 31–42. Accessed December 6, 2025. https://www.czasopisma.uni.lodz.pl/philosophica/article/view/17619.