@article{MAN_1921__82_158846,
     author = {A. Terracini},
     title = {Eine {Bemerkung} \"uber die {Funktionalgleichungen} der isomorphen {Abbildung}},
     journal = {Mathematische Annalen},
     pages = {237--239},
     publisher = {mathdoc},
     volume = {82},
     year = {1921},
     zbl = {48.0797.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1921__82_158846/}
}