DidenkoV. D., KorenovskiiA. A., and TuahN. J. 2016. “Numerical Interpretation of the Gurov – Reshetnyak inequality on the Real Line”. Ukrains’kyi Matematychnyi Zhurnal 68 (12), 1607-19. https://umj.imath.kiev.ua/index.php/umj/article/view/1947.