@article{TMF_2011_169_3_a8,
     author = {M. M. Babatin},
     title = {Shell dynamics in the~presence of a~central body},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {463--471},
     publisher = {mathdoc},
     volume = {169},
     number = {3},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2011_169_3_a8/}
}