@article{ND_2009_5_4_a5,
     author = {B. S. Bardin},
     title = {On stability orbital stability of pendulum like motions of a rigid body in the {Bobylev--Steklov} case},
     journal = {Russian journal of nonlinear dynamics},
     pages = {535--550},
     publisher = {mathdoc},
     volume = {5},
     number = {4},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2009_5_4_a5/}
}