[1]
K. M. Zhyhallo and Y. I. Kharkevych, “Complete Asymptotics of the Deviation of a Class of Differentiable Functions from the Set of Their Harmonic Poisson Integrals”,
Ukr. Mat. Zhurn., vol. 54, no. 1, pp. 43–52, Jan. 2002, Accessed: Apr. 13, 2025. [Online]. Available:
https://umj.imath.kiev.ua/index.php/umj/article/view/4038