On Length and Mean Fuzzy Ideals of Sheffer Stroke Hilbert Algebras. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 1, p. 5779, 2025. DOI: 10.29020/nybg.ejpam.v18i1.5779. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/5779. Acesso em: 5 dec. 2025.