@article{MAN_1909__67_158410,
     author = {J.W. Lindeberg},
     title = {\"Uber einige {Fragen} der {Variationsrechnung}},
     journal = {Mathematische Annalen},
     pages = {340--354},
     publisher = {mathdoc},
     volume = {67},
     year = {1909},
     url = {http://geodesic.mathdoc.fr/item/MAN_1909__67_158410/}
}