%0 Journal Article
%A W. M. Mikulski
%T On the variational calculus in fibered-fibered manifolds
%J Annales Polonici Mathematici
%D 2006
%P 1-12
%V 89
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap89-1-1/
%R 10.4064/ap89-1-1
%G en
%F 10_4064_ap89_1_1