Bezkryla, S. I., Nesterenko, A. N., & Chaikovs’kyi, A. V. (2014). On the Third Moduli of Continuity. Ukrains’kyi Matematychnyi Zhurnal, 66(10), 1420-1424. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/2233