@article{DAN_1996_347_1_a5,
     author = {S. M. Nikol'skii},
     title = {An inverse problem of approximation by algebraic polynomials on},
     journal = {Doklady Akademii Nauk},
     pages = {27--29},
     year = {1996},
     volume = {347},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_347_1_a5/}
}