@article{MZM_2010_88_1_a10,
     author = {A. V. Ivanov and V. I. Ivanov},
     title = {Jackson's {Theorem} in the {Space~}$L_2(\mathbb{R}^d)$ with {Power} {Weight}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {148--151},
     publisher = {mathdoc},
     volume = {88},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_88_1_a10/}
}