@article{SM_2008_199_6_a3,
     author = {M. Yu. Ivochkin},
     title = {Topological analysis of the motion of an ellipsoid on a~smooth plane},
     journal = {Sbornik. Mathematics},
     pages = {871--890},
     year = {2008},
     volume = {199},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2008_199_6_a3/}
}