TY  - JOUR
AU  - R. P. Kuzmina
TI  - On an upper estimate for the number of central configurations in the planar $n$-body problem
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 1016
EP  - 1019
VL  - 234
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_234_5_a6/
LA  - ru
ID  - DAN_1977_234_5_a6
ER  -