@article{IVM_2008_5_a9,
     author = {A. I. Rubinshtein},
     title = {On the best convergence of multiple trigonometric series},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {83--91},
     publisher = {mathdoc},
     number = {5},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2008_5_a9/}
}