@article{10_4064_cm93_2_5,
     author = {J. Kurek and W. M. Mikulski},
     title = {The natural operators lifting $1$-forms
 to some vector bundle functors},
     journal = {Colloquium Mathematicum},
     pages = {259--265},
     publisher = {mathdoc},
     volume = {93},
     number = {2},
     year = {2002},
     doi = {10.4064/cm93-2-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm93-2-5/}
}