@article{KUTGS_1997_23_a14,
     author = {B. N. Shapukov},
     title = {Reduction of {Hamiltonian} systems with cyclic coordinates, and projectability in bundles},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {165--174},
     publisher = {mathdoc},
     volume = {23},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1997_23_a14/}
}