Dokdo Filters and Deductive Systems of Sheffer Stroke Hilbert Algebras. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 16, n. 3, p. 1862–1877, 2023. DOI: 10.29020/nybg.ejpam.v16i3.4872. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4872.. Acesso em: 19 jun. 2024.