Optimal quadrature formula for approximate solution of a singular integral equation with the Hilbert kernel in the space $L_2^{(3)}(0, 2\pi)$. Uzbek Mathematical Journal, [S. l.], v. 70, n. 3, p. 67–78, 2026. DOI: 10.29229/uzmj.2026-3-8. Disponível em: https://uzmj.mathinst.uz/index.php/uzmj/article/view/100.. Acesso em: 7 oct. 2026.