BORUSZEWSKI, Jarosław. Contradiction and Cognition. On the Polemics of Stanisław Lem with Jerzy Kmita (with Ubik in the Background). Sensus Historiae, [S. l.], v. 53, n. 4, p. 209–217, 2023. DOI: 10.14746/sh.2023.53.4.018. Disponível em: https://pressto.amu.edu.pl/index.php/sh/article/view/53150. Acesso em: 7 aug. 2026.