HUSSAIN, Malik Zawwar; ALI, Jamaludin. Positivity-Preserving Piecewise Rational Cubic Interpolation. MATEMATIKA, [S. l.], v. 22, p. 147–153, 2006. DOI: 10.11113/matematika.v22.n.183. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/183. Acesso em: 5 may. 2024.