PASEKA, J.; JANDA, J. More on PT-Symmetry in (Generalized) Effect Algebras and Partial Groups. Acta Polytechnica, [S. l.], v. 51, n. 4, 2011. DOI: 10.14311/1408. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1408. Acesso em: 1 may. 2024.