Gapoyan, N.T. “DUALITY IN SPACES OF FUNCTIONS PLURIHARMONIC IN THE UNIT BALL IN $\mathbb{C}^n$”. Proceedings of the YSU A: Physical and Mathematical Sciences 50, no. 2 (240) (June 6, 2016): 15–21. Accessed July 16, 2024. https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol50_no2_2016_pp015-021.