%0 Journal Article %A Kurek, Jan %A Mikulski, Włodzimierz %T The natural transformations between r-tangent and r-cotangent bundles over Riemannian manifolds %J Annales Universitatis Mariae Curie-Skłodowska. Mathematica %D 2014 %V 68 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUM_2014_68_2_a7/ %G en %F AUM_2014_68_2_a7