@article{SM_1968_4_3_a1,
     author = {A. A. Zakharov},
     title = {Asymptotic behavior of {Lebesgue} functions of linear mean interpolation polynomials},
     journal = {Sbornik. Mathematics},
     pages = {303--316},
     year = {1968},
     volume = {4},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1968_4_3_a1/}
}