Motornaya OV, Motornyi VP. On asymptotically exact estimates for the approximation of certain classes of functions by algebraic polynomials. Ukr. Mat. Zhurn. [Internet]. 2000Jan.25 [cited 2024Nov.22];52(1):85-9. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4399