LAL, S.; SINGH, P. N. Degree of approximation of conjugate of $ {Lip(\alpha,p)}$ function by ${(C,1)}$ ${(E,1)}$ means of conjugate of a Fourier series. Tamkang Journal of Mathematics, [S. l.], v. 33, n. 3, p. 269-274, 2002. DOI: 10.5556/j.tkjm.33.2002.269-274. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/331. Acesso em: 24 may. 2022.