@article{ZVMMF_2015_55_9_a2,
     author = {A. Zh. Zhubanysheva and N. Temirgaliev},
     title = {Informative cardinality of trigonometric {Fourier} coefficients and their limiting error in the discretization of a differentiation operator in multidimensional {Sobolev} classes},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1474--1485},
     year = {2015},
     volume = {55},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2015_55_9_a2/}
}