@article{MZM_2015_97_5_a12,
     author = {S. Yu. Artamonov},
     title = {Direct {Jackson-Type} {Estimate} for the {General} {Modulus} of {Smoothness} in the {Nonperiodic} {Case}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {794--797},
     publisher = {mathdoc},
     volume = {97},
     number = {5},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2015_97_5_a12/}
}