CHERN, T. Y. P.; WULAN, H. On coefficients of $ \alpha$-Shapiro Shields functions. Tamkang Journal of Mathematics, [S. l.], v. 33, n. 1, p. 13-20, 2002. DOI: 10.5556/j.tkjm.33.2002.300. DisponĂ­vel em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/300. Acesso em: 26 may. 2022.