FERNÁNDEZ, F. M. ON THE REAL MATRIX REPRESENTATION OF PT-SYMMETRIC OPERATORS. Acta Polytechnica, [S. l.], v. 54, n. 2, p. 113–115, 2014. DOI: 10.14311/AP.2014.54.0113. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/2081. Acesso em: 6 may. 2024.