HỒ, Nguyễn Cát; VINH, Lê Xuân. An axiomatization for non-homogeneueous hedge algebras. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 18, n. 4, p. 354–364, 2012. DOI: 10.15625/1813-9663/18/4/1573. Disponível em: https://jcc.vast.vn/jcc/article/view/1573. Acesso em: 4 nov. 2025.