@article{MZM_2010_87_1_a11,
     author = {S. A. Stasyuk},
     title = {Best {Approximations} of {Periodic} {Functions} of {Several} {Variables} from the {Classes} $B^\Omega_{p,\theta}$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {108--121},
     publisher = {mathdoc},
     volume = {87},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_87_1_a11/}
}