@article{ARM_2002_38_4_a0,
     author = {Cabras, Antonella and Kol\'a\v{r}, Ivan},
     title = {Prolongation of projectable tangent valued forms},
     journal = {Archivum mathematicum},
     pages = {243--257},
     year = {2002},
     volume = {38},
     number = {4},
     mrnumber = {1942654},
     zbl = {1090.53031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2002_38_4_a0/}
}