@article{VMUMM_1984_3_a13,
     author = {S. V. Bolotin},
     title = {Nonintegrability of the problem of $n$ centers for $n>2$},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {65--68},
     publisher = {mathdoc},
     number = {3},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1984_3_a13/}
}