%0 Journal Article %A Ian M. Anderson %T Tensorial Euler-Lagrange expressions and conservation laws. (Short Communication). %J Aequationes mathematicae %D 1978 %P 113-114 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1978__17_136728/ %F AM2_1978__17_136728