LEACH, P. G. L. DIRAC AND HAMILTON. Acta Polytechnica, [S. l.], v. 54, n. 2, p. 127–129, 2014. DOI: 10.14311/AP.2014.54.0127. Disponível em: https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/2088.. Acesso em: 7 jun. 2025.