@article{IVM_2001_3_a5,
     author = {S. G. Leiko},
     title = {On the geodesic flow on a~spherical tangent bundle of a~two-dimensional manifold with the {Sasaki} metric},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {33--38},
     publisher = {mathdoc},
     number = {3},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2001_3_a5/}
}