UHLMANN, A. THE NUMBER OF ORTHOGONAL CONJUGATIONS. Acta Polytechnica, [S. l.], v. 53, n. 5, p. 470–472, 2013. DOI: 10.14311/AP.2013.53.0470. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1874. Acesso em: 28 apr. 2024.