@article{MZM_2008_84_3_a11,
     author = {I. I. Sharapudinov},
     title = {Approximation {Properties} of the {Vall\'ee-Poussin} {Means} of {Partial} {Sums} of a {Mixed} {Series} of {Legendre} {Polynomials}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {452--471},
     publisher = {mathdoc},
     volume = {84},
     number = {3},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2008_84_3_a11/}
}