KarelinO., and TarasenkoA. A. 2017. “On the Relationships Between the Norms of Operators With endpoint singularities in Lebesgue and Hölder Spaces With Weight”. Ukrains’kyi Matematychnyi Zhurnal 69 (3), 397-406. https://umj.imath.kiev.ua/index.php/umj/article/view/1704.