%0 Journal Article %A N. A. Ilyasov %T Order equalities in the spaces $L_p(\mathbb T), 1$ < $p$ < $\infty$, for best approximations and moduli of smoothness of derivatives of periodic functions with monotone Fourier coefficients %J Trudy Instituta matematiki i mehaniki %D 2022 %P 103-120 %V 28 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2022_28_4_a9/ %G ru %F TIMM_2022_28_4_a9