@article{MZM_1981_29_5_a5,
     author = {S. P. Baiborodov},
     title = {Approximation of functions of several variables by de la {Vall\'ee} {Poussin} rectangular sums},
     journal = {Matemati\v{c}eskie zametki},
     pages = {711--730},
     publisher = {mathdoc},
     volume = {29},
     number = {5},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1981_29_5_a5/}
}