1.
Zhyhallo KM, Kharkevych YI. Approximation of conjugate differentiable functions by their Abel–Poisson integrals. Ukr. Mat. Zhurn. [Internet]. 2009Jan.25 [cited 2024Jun.23];61(1):73-2. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3002