@article{DE_1992_28_3_a10,
     author = {L. L. Sokolov and K. V. Kholshevnikov},
     title = {Regional integrability of the $N$-body problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {437--441},
     publisher = {mathdoc},
     volume = {28},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_3_a10/}
}