@article{TIMM_2020_26_2_a0,
     author = {G. A. Akishev},
     title = {Estimates for the best approximations of functions from the {Nikol'skii-Besov} class in the {Lorentz} space by trigonometric polynomials},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {5--27},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2020_26_2_a0/}
}