%0 Journal Article %A Doupovec, M. %A Mikulski, W. M. %T Higher order jet involution %J Czechoslovak Mathematical Journal %D 2007 %P 933-945 %V 57 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2007__57_3_a11/ %G en %F CMJ_2007__57_3_a11