PAŁASIŃSKA, K. Three-element non-finitely axiomatizable matrices and term-equivalence. Logic and Logical Philosophy, [S. l.], v. 23, n. 4, p. 481–497, 2014. DOI: 10.12775/LLP.2014.010. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2014.010. Acesso em: 16 jul. 2024.