Bezkryla, S. I., A. N. Nesterenko, and A. V. Chaikovs’kyi. 2019. “On One Inequality for the Moduli of continuity of Fractional Order Generated by Semigroups of Operators”. Ukrains’kyi Matematychnyi Zhurnal 71 (3), 310-24. https://umj.imath.kiev.ua/index.php/umj/article/view/1441.