@article{DAN_1970_195_5_a0,
     author = {Yu. A. Brudnyi},
     title = {Approximation of functions defined in a convex polyhedron},
     journal = {Doklady Akademii Nauk},
     pages = {1007--1009},
     publisher = {mathdoc},
     volume = {195},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_195_5_a0/}
}