On the Approximation of Conjugate Function Belonging to Lip α and Weighted (Lr, ξ(t)) Class by Product Summability Method. Journal of International Academy of Physical Sciences, [S. l.], v. 23, n. 4, p. 359–369, 2019. Disponível em: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/360. Acesso em: 23 oct. 2026.