@article{PORMA_1956__15_3_114771,
     author = {Ribeiro, Hugo},
     title = {The notion of universal completeness},
     journal = {Portugaliae mathematica},
     pages = {83--86},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {1956},
     mrnumber = {0083959},
     zbl = {0073.25102},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1956__15_3_114771/}
}