@article{10_4064_ap_58_1_29_35,
     author = {Jan Kurek},
     title = {Natural transformations of higher order cotangent bundle functors},
     journal = {Annales Polonici Mathematici},
     pages = {29--35},
     publisher = {mathdoc},
     volume = {58},
     number = {1},
     year = {1993},
     doi = {10.4064/ap-58-1-29-35},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-58-1-29-35/}
}