Babenko, V. F., Kofanov, V. A. and Pichugov, S. A. (2006) “Exact inequalities for derivatives of functions of low smoothness defined on an axis and a semiaxis”, Ukrains’kyi Matematychnyi Zhurnal, 58(3), pp. 291–302. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3454 (Accessed: 25April2024).