@article{TRSPY_2018_303_a2,
     author = {A. G. Babenko and Yu. V. Kryakin},
     title = {On constants in the {Jackson--Stechkin} theorem in the case of approximation by algebraic polynomials},
     journal = {Informatics and Automation},
     pages = {26--38},
     publisher = {mathdoc},
     volume = {303},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2018_303_a2/}
}