@article{MAN_1934__109_159707,
     author = {E.J. McShane},
     title = {The {Du} {Bois-Reymond} {Relation} in the {Calculus} of {Variations}},
     journal = {Mathematische Annalen},
     pages = {746--755},
     publisher = {mathdoc},
     volume = {109},
     year = {1934},
     zbl = {0009.17001},
     url = {http://geodesic.mathdoc.fr/item/MAN_1934__109_159707/}
}