@article{RSMUP_1960__30__101_0,
     author = {Benedicty, Mario and Kay, David C.},
     title = {Projective classification of the plane trilinearities of dimension four},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {101--123},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {30},
     year = {1960},
     mrnumber = {121707},
     zbl = {0101.38001},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1960__30__101_0/}
}