Y. AL-BAYATI, A.; Z. AL-KAWAZ, R. A New Extended PR Conjugate Gradient Method for Solving Smooth Minimization Problems. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 11, n. 2, p. 174–191, 2011. DOI: 10.33899/iqjoss.2011.027900. Disponível em: https://ojs.uomosul.edu.iq/index.php/stats/article/view/29359. Acesso em: 5 sep. 2025.