@article{RSMUP_1942__13__26_0,
     author = {Mignosi, Giuseppe},
     title = {Sulle caratteristiche delle matrici},
     journal = {Rendiconti del Seminario matematico della R. Universit\`a di Padova},
     pages = {26--29},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {13},
     year = {1942},
     mrnumber = {17730},
     zbl = {0061.01508},
     language = {it},
     url = {http://www.numdam.org/item/RSMUP_1942__13__26_0/}
}