@article{ARM_1998__34_2_a6,
     author = {D\k{e}becki, Jacek},
     title = {Invariant vector fields of {Hamiltonians}},
     journal = {Archivum mathematicum},
     pages = {295--300},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {1998},
     mrnumber = {1645328},
     zbl = {0911.53016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1998__34_2_a6/}
}