@article{DAN_1980_253_3_a7,
     author = {V. N. Temlyakov},
     title = {On the approximation of periodic functions of several variables with bounded mixed difference},
     journal = {Doklady Akademii Nauk},
     pages = {544--548},
     publisher = {mathdoc},
     volume = {253},
     number = {3},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_253_3_a7/}
}