@article{DAN_1995_344_2_a6,
     author = {Yu. A. Kriksin},
     title = {On the theory of {Hamiltonian} systems with external action},
     journal = {Doklady Akademii Nauk},
     pages = {172--174},
     publisher = {mathdoc},
     volume = {344},
     number = {2},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_344_2_a6/}
}