MOHIADDIN, G. H.; SHARAF, K. R. Null Spaces Dimension of the Eigenvalue -1 in a Graph. Science Journal of University of Zakho, [S. l.], v. 7, n. 4, p. 167–171, 2019. DOI: 10.25271/sjuoz.2019.7.4.609. Disponível em: https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/609. Acesso em: 20 apr. 2024.