%0 Journal Article %A Mikulski, Włodzimierz M. %T Regularity conditions for liftings of functions and vector fields to natural bundles %J Časopis pro pěstování matematiky %D 1984 %P 127-134 %V 109 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1984.108504/ %R 10.21136/CPM.1984.108504 %G en %F 10_21136_CPM_1984_108504