%0 Journal Article
%A J. Kurek
%A W. M. Mikulski
%T The natural operators lifting horizontal $1$-forms
  to some vector bundle functors
  on fibered manifolds
%J Colloquium Mathematicum
%D 2003
%P 141-149
%V 97
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm97-2-1/
%R 10.4064/cm97-2-1
%G en
%F 10_4064_cm97_2_1