@article{CHEB_2013_14_2_a3,
     author = {L. G. Arkhipova},
     title = {Spherical sums in the sphere problem},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {33--49},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2013_14_2_a3/}
}