@article{TIMM_2014_20_1_a23,
     author = {S. A. Stasyuk},
     title = {Approximation by {Fourier} sums and {Kolmogorov} widths for classes $\mathbf{MB}^\Omega_{p,\theta}$ of periodic functions of several variables},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {247--257},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2014_20_1_a23/}
}