CIUCIURA, J. On the da Costa, Dubikajtis and Kotas’ system of the discursive logic, D*2. Logic and Logical Philosophy, [S. l.], v. 14, n. 2, p. 235–252, 2005. DOI: 10.12775/LLP.2005.015. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2005.015. Acesso em: 17 lip. 2024.