@article{DAN_1965_161_4_a1,
     author = {Yu. A. Brudnyi},
     title = {On the local best approximation to functions by polynomials},
     journal = {Doklady Akademii Nauk},
     pages = {746--749},
     publisher = {mathdoc},
     volume = {161},
     number = {4},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_161_4_a1/}
}