SAMIR BHAYA, Eman; SAAD AL-MUHJA, Malik. On Monotone Approximation by Piecewise Positive Functions. Journal of Al-Qadisiyah for Computer Science and Mathematics, [S. l.], v. 3, n. 2, p. 166–173, 2017. Disponível em: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/286. Acesso em: 19 sep. 2024.