@article{GDZPPN002285347, title = {Zur Theorie der bin\"aren kubischen Formen.}, journal = {Mathematische Annalen}, volume = {132}, year = {1956}, pages = {177-179}, zbl = {0071.27201}, url = {http://dml.mathdoc.fr/item/GDZPPN002285347} }
Piehler, J. Zur Theorie der binären kubischen Formen.. Mathematische Annalen, Tome 132 (1956) pp. 177-179. http://gdmltest.u-ga.fr/item/GDZPPN002285347/