@article{VMUMM_2008_5_a12,
     author = {L. G. Arkhipova},
     title = {Number of lattice points in a sphere},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {59--61},
     publisher = {mathdoc},
     number = {5},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2008_5_a12/}
}