ZAJAC, Pavol; JOKAY, Matus. Computing Indexes and Periods of All Boolean Matrices Up to Dimension n=8. COMPUTING AND INFORMATICS, [S. l.], v. 31, n. 6, p. 1329–1344, 2013. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/1310. Acesso em: 28 apr. 2024.