@article{PORMA_1938__1_2_114546,
     author = {Gomes, Ruy Lu{\'\i}s},
     title = {Les changements de r\'ef\'erentiel et la cin\'ematique des ensembles (de points). {Quelques} probl\`emes qui en d\'ependent},
     journal = {Portugaliae mathematica},
     pages = {181--203},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1938},
     zbl = {0021.17905},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1938__1_2_114546/}
}