@article{TIMM_2018_24_2_a9,
     author = {N. A. Il'yasov},
     title = {On the equivalence of some inequalities in the theory of approximation of periodic functions in the spaces $L_p(\mathbb T),1 < p < \infty$},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {93--106},
     year = {2018},
     volume = {24},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2018_24_2_a9/}
}