BAMBANG SUGANDI; ERNA APRILIANI. Konstruksi Matriks NonNegatif Simetri dengan Spektrum Bilangan Real. Limits: Journal of Mathematics and Its Applications, [S. l.], v. 4, n. 1, p. 17, 2007. Disponível em: https://journal.its.ac.id/index.php/limits/article/view/5380. Acesso em: 6 dec. 2025.