KOŁOWSKA-GAWIEJNOWICZ, Mirosława. Powerset residuated algebras. Logic and Logical Philosophy, [S. l.], v. 23, n. 1, p. 69–80, 2013. DOI: 10.12775/LLP.2013.029. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2013.029. Acesso em: 8 jul. 2025.