@article{SM_2005_196_3_a3,
     author = {A. K. Ramazanov},
     title = {Characterization of the best polynomial approximation with a sign-sensitive weight to a~continuous function},
     journal = {Sbornik. Mathematics},
     pages = {395--422},
     publisher = {mathdoc},
     volume = {196},
     number = {3},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2005_196_3_a3/}
}