@article{SM_2012_203_2_a3,
     author = {V. V. Napalkov and A. A. Nuyatov},
     title = {The multipoint de la {Vall\'ee-Poussin} problem for a~convolution operator},
     journal = {Sbornik. Mathematics},
     pages = {224--233},
     publisher = {mathdoc},
     volume = {203},
     number = {2},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2012_203_2_a3/}
}