K. ABBO, K.; H. MOHAMMED, F. Spectral Fletcher-Reeves Algorithm for Solving Non-Linear Unconstrained Optimization Problems. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 11, n. 1, p. 21–38, 2011. DOI: 10.33899/iqjoss.2011.028403. Disponível em: https://ojs.uomosul.edu.iq/index.php/stats/article/view/29029. Acesso em: 5 sep. 2025.