%0 Journal Article %A Hanno Rund %T Conservation Criteria, Canonical Transformations, and Integral Invariants in the Field Theory of Carathéodory for Multiple Integral Variational Problems. (Short Communication). %J Aequationes mathematicae %D 1975 %P 113-114 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1975__12_136494/ %F AM2_1975__12_136494