@article{MZM_1999_66_1_a5,
     author = {D. V. Gorbachev},
     title = {The sharp {Jackson} inequality in the space $L_p$ on the sphere},
     journal = {Matemati\v{c}eskie zametki},
     pages = {50--62},
     publisher = {mathdoc},
     volume = {66},
     number = {1},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_66_1_a5/}
}