@article{CMJ_2004__54_4_a2,
     author = {Kure\v{s}, Miroslav and Mikulski, W{\l}odzimierz M.},
     title = {Natural operators lifting vector fields to bundles of {Weil} contact elements},
     journal = {Czechoslovak Mathematical Journal},
     pages = {855--867},
     publisher = {mathdoc},
     volume = {54},
     number = {4},
     year = {2004},
     mrnumber = {2099999},
     zbl = {1080.58005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2004__54_4_a2/}
}