ABDEL-GAWAD, H. R. On the Fekete-Szego problem for alpha-quasi-convex functions. Tamkang Journal of Mathematics, [S. l.], v. 31, n. 4, p. 251-256, 2000. DOI: 10.5556/j.tkjm.31.2000.381. DisponĂ­vel em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/381. Acesso em: 29 may. 2022.