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@article{ARM_1984__20_4_a1, author = {Kol\'a\v{r}, Ivan}, title = {Natural transformations of the second tangent functor into itself}, journal = {Archivum mathematicum}, pages = {169--172}, publisher = {mathdoc}, volume = {20}, number = {4}, year = {1984}, mrnumber = {784868}, zbl = {0578.58004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1984__20_4_a1/} }
Kolář, Ivan. Natural transformations of the second tangent functor into itself. Archivum mathematicum, Tome 20 (1984) no. 4, pp. 169-172. http://geodesic.mathdoc.fr/item/ARM_1984__20_4_a1/