@article{10_21136_CMJ_1988_102222,
     author = {Kol\'a\v{r}, Ivan and Radziszewski, Zbigniew},
     title = {Natural transformations of second tangent and cotangent functors},
     journal = {Czechoslovak Mathematical Journal},
     pages = {274--279},
     publisher = {mathdoc},
     volume = {38},
     number = {2},
     year = {1988},
     doi = {10.21136/CMJ.1988.102222},
     mrnumber = {946296},
     zbl = {0669.53023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102222/}
}