MUTEMBEI, J.; KIVUNGE, B.; KAMAKU, W. Positive Matrix Completion Problem for Digraphs of Order 3 with 4 and 5 Arcs. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 28, n. 3, p. 75–81, 2016. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/5903. Acesso em: 17 may. 2024.