MCKENZIE, R. Equational Bases for Lattice Theories. MATHEMATICA SCANDINAVICA, [S. l.], v. 27, p. 24–38, 1970. DOI: 10.7146/math.scand.a-10984. Disponível em: https://www.mscand.dk/article/view/10984. Acesso em: 27 apr. 2024.