1.
Dovgoshei AA. On integral representations in the Hardi classes and on the best approximations in some functional spaces. Ukr. Mat. Zhurn. [Internet]. 1991 Feb. 28 [cited 2025 Dec. 6];43(3):342-7. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/9613