About marginal values of three-harmonic Poisson integral on the bound of the unit disk

S. B. Hembars’ka,. “About Marginal Values of Three-Harmonic Poisson Integral on the bound of the Unit Disk”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 70, no. 7, July 2023, pp. 876-84, https://umj.imath.kiev.ua/index.php/umj/article/view/6031.