AMBROŽ, P. Non-Standard Numeration Systems. Acta Polytechnica, [S. l.], v. 45, n. 5, 2005. DOI: 10.14311/762. Disponível em: https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/762.. Acesso em: 17 may. 2025.