TY - JOUR AU - M. R. Langarshoev TI - Jackson--Stechkin type inequalities and widths of classes of functions in the weighted Bergman space JO - Čebyševskij sbornik PY - 2021 SP - 135 EP - 144 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2021_22_2_a8/ LA - ru ID - CHEB_2021_22_2_a8 ER -