1.
Shabozov MS. An approach to the investigation of optimal quadrature formulas for singular integrals with fixed singularity. Ukr. Mat. Zhurn. [Internet]. 1995 Sep. 25 [cited 2025 Dec. 6];47(9):1300–1304. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/5531