1.
Hrabova UZ, Kalchuk IV, Stepanyuk TA. Approximation of functions from the classes $W_{β}^r H^{α }$ by Weierstrass integrals. Ukr. Mat. Zhurn. [Internet]. 2017Apr.25 [cited 2024Dec.22];69(4):510-9. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1712