TY - JOUR AU - Mikulski, W. M. TI - Liftings of vector fields to $1$-forms on the $r$-jet prolongation of the cotangent bundle JO - Commentationes Mathematicae Universitatis Carolinae PY - 2002 SP - 565 EP - 573 VL - 43 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2002__43_3_a16/ LA - en ID - CMUC_2002__43_3_a16 ER -