@article{AM2_1978__17_136728,
     author = {Ian M. Anderson},
     title = {Tensorial {Euler-Lagrange} expressions and conservation laws. {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {113--114},
     publisher = {mathdoc},
     volume = {17},
     year = {1978},
     zbl = {0418.49041},
     url = {http://geodesic.mathdoc.fr/item/AM2_1978__17_136728/}
}