Babich, Y.A. and Michaylova, T.F. (2018) “Approximation of periodic functions of many variables by functions of smaller number of variables in Orlicz metric spaces”, Ukrains’kyi Matematychnyi Zhurnal, 70(8), pp. 1143–1148. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1624 (Accessed: 5 December 2025).