Optimal quadrature formula for approximate solution of a singular integral equation with the Hilbert kernel in the space $L_2^{(3)}(0, 2\pi)$. UzMJ [Internet]. 2026 Oct. 6 [cited 2026 Oct. 7];70(3):67-78. Available from: https://uzmj.mathinst.uz/index.php/uzmj/article/view/100