Bakhtigareeva, E. G., and M. L. Goldman. “Modular and Norm Inequalities for Operators on the Cone of Decreasing Functions in Orlicz Space”. Eurasian Mathematical Journal, vol. 8, no. 1, Mar. 2017, pp. 23-33, https://emj.enu.kz/index.php/main/article/view/652.