Pavlenkov, V.V. (2017) “Karamata integral representations for functions generalizing regularly varying functions”, Ukrains’kyi Matematychnyi Zhurnal, 69(9), pp. 1289–1296. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1782 (Accessed: 5 December 2025).