@article{RSMUP_1956__26__85_0,
     author = {Boccioni, Domenico},
     title = {$Q$-pseudogruppi complementarizzabili},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {85--123},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {26},
     year = {1956},
     mrnumber = {82972},
     zbl = {0072.01202},
     language = {it},
     url = {http://archive.numdam.org/item/RSMUP_1956__26__85_0/}
}