Veselovska, G.M., and A. P. Holub. “Existence Theorems for Multidimensional Generalized Moment Representations”. Ukrains’kyi Matematychnyi Zhurnal 69, no. 4 (April 25, 2017): 456–465. Accessed April 14, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/1709.