%0 Journal Article %A Brajerčík, Ján %T Invariant variational problems on principal bundles and conservation laws %J Archivum mathematicum %D 2011 %P 357-366 %V 47 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2011__47_5_a2/ %G en %F ARM_2011__47_5_a2