@article{AIF_1987__37_3_191_0,
     author = {Schwarz, Gerald W.},
     title = {On classical invariant theory and binary cubics},
     journal = {Annales de l'Institut Fourier},
     pages = {191--216},
     publisher = {Imprimerie Louis-Jean},
     address = {Gap},
     volume = {37},
     number = {3},
     year = {1987},
     doi = {10.5802/aif.1104},
     mrnumber = {89h:14036},
     zbl = {0597.14011},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/aif.1104/}
}