@article{AA_2013_25_3_a3,
     author = {O. I. Kuznetsova and A. N. Podkorytov},
     title = {On strong averages of spherical {Fourier} sums},
     journal = {Algebra i analiz},
     pages = {121--130},
     year = {2013},
     volume = {25},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2013_25_3_a3/}
}