@article{ND_2009_5_3_a1,
     author = {A. V. Borisov and I. S. Mamaev and S. M. Ramodanov},
     title = {Coupled motion of a rigid body and point vortices on a sphere},
     journal = {Russian journal of nonlinear dynamics},
     pages = {319--343},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2009_5_3_a1/}
}