@article{MAN_1923__88_158975,
     author = {A. Hurwitz},
     title = {\"Uber die {Komposition} der quadratischen {Formen.}},
     journal = {Mathematische Annalen},
     pages = {1--25},
     publisher = {mathdoc},
     volume = {88},
     year = {1923},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1923__88_158975/}
}