FIRMAN, Firman. Beberapa Sifat Operator Self Adjoint dalam Ruang Hilbert. Jurnal Matematika, Statistika dan Komputasi, [S. l.], v. 12, n. 2, p. 153–159, 2018. DOI: 10.20956/jmsk.v12i2.3470. Disponível em: https://journal.unhas.ac.id/index.php/jmsk/article/view/3470. Acesso em: 22 dec. 2024.