@article{10_4064_cm97_2_1,
     author = {J. Kurek and W. M. Mikulski},
     title = {The natural operators lifting horizontal $1$-forms
  to some vector bundle functors
  on fibered manifolds},
     journal = {Colloquium Mathematicum},
     pages = {141--149},
     publisher = {mathdoc},
     volume = {97},
     number = {2},
     year = {2003},
     doi = {10.4064/cm97-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm97-2-1/}
}