@article{DAN_1982_264_1_a3,
     author = {N. N. Vakhania and S. A. Chobanyan},
     title = {On the problem of best approximation in a space of vector-valued functions},
     journal = {Doklady Akademii Nauk},
     pages = {24--27},
     publisher = {mathdoc},
     volume = {264},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_264_1_a3/}
}