BorodachovS.V. “On Optimization of “Interval” and ‘Pointwise’ Quadrature Formulas for Classes of Monotone Functions”. Ukrains’kyi Matematychnyi Zhurnal 53, no. 6 (June 25, 2001): 847-956. Accessed November 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4305.