@article{MAN_1956__132_160514,
     author = {J. Piehler},
     title = {Zur {Theorie} der bin\"aren kubischen {Formen.}},
     journal = {Mathematische Annalen},
     pages = {177--179},
     publisher = {mathdoc},
     volume = {132},
     year = {1956},
     zbl = {0071.27201},
     url = {http://geodesic.mathdoc.fr/item/MAN_1956__132_160514/}
}