@article{MZM_2014_95_6_a10, author = {K. V. Runovskii}, title = {A {Direct} {Theorem} of {Approximation} {Theory} for a {General} {Modulus} of {Smoothness}}, journal = {Matemati\v{c}eskie zametki}, pages = {899--910}, publisher = {mathdoc}, volume = {95}, number = {6}, year = {2014}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2014_95_6_a10/} }