@article{CLTM_1965_1965_1_a8,
     author = {Archidiacono, Giuseppe},
     title = {Relativita cinematica e cosmolog{\'\i}a "proiettiva".},
     journal = {Collectanea mathematica},
     year = {1965},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1965_1965_1_a8/}
}