@article{AUPO_1992__31_1_a10,
     author = {Van\v{z}urov\'a, Alena},
     title = {Natural transformations of the second tangent functor and soldered morphisms},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {109--118},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1992},
     mrnumber = {1212610},
     zbl = {0779.53015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1992__31_1_a10/}
}