SHANMUGAM, S. K.; KUMAR, V. FEKETE-SZEGO problem for a class of analytic functinos defined by convolution. Tamkang Journal of Mathematics, [S. l.], v. 44, n. 2, p. 187–195, 2013. DOI: 10.5556/j.tkjm.44.2013.1162. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/1162. Acesso em: 29 mar. 2024.