VARZI, A. C. On Three Axiom Systems for Classical Mereology. Logic and Logical Philosophy, [S. l.], v. 28, n. 2, p. 203–207, 2018. DOI: 10.12775/LLP.2018.014. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2018.014. Acesso em: 28 mar. 2024.