@article{DAN_1966_170_4_a6,
     author = {V. N. Malozemov},
     title = {Joint approximation of a function and its derivatives by algebraic polynomials},
     journal = {Doklady Akademii Nauk},
     pages = {773--775},
     publisher = {mathdoc},
     volume = {170},
     number = {4},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_170_4_a6/}
}