@article{VMUMM_2015_6_a5,
     author = {E. I. Kugushev and V. I. Nikonov},
     title = {An estimate for the number of relative equilibria in the motion of a plane rigid body and a material point under mutual attraction},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {37--41},
     publisher = {mathdoc},
     number = {6},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2015_6_a5/}
}