DORNINGER, Dietmar; L¨ANGER, Helmut. A NOTE ON BOOLEAN SUBSETS OF ORTHOMODULAR POSETS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 32, p. 277–282, 2014. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6213. Acesso em: 7 aug. 2026.