Kofanov, V.A. (2012) “Inequalities for derivatives of functions on an axis with nonsymmetrically bounded higher derivatives”, Ukrains’kyi Matematychnyi Zhurnal, 64(5), pp. 636–648. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2604 (Accessed: 5 December 2025).