%0 Journal Article %A Doupovec, Miroslav %T Natural operators transforming vector fields to the second order tangent bundle %J Časopis pro pěstování matematiky %D 1990 %P 64-72 %V 115 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1990.108718/ %R 10.21136/CPM.1990.108718 %G en %F 10_21136_CPM_1990_108718