@article{VMUMM_2000_5_a10,
     author = {V. V. Kozlov},
     title = {Newton and {Ivory} attraction theorems in spaces of constant curvature.},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {43--47},
     publisher = {mathdoc},
     number = {5},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2000_5_a10/}
}