@article{PORMA_1948__7_1_114657,
     author = {Hu, Sze-Tsen},
     title = {On {Lipschitz} mappings},
     journal = {Portugaliae mathematica},
     pages = {45--49},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1948},
     mrnumber = {0026801},
     zbl = {0034.25403},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1948__7_1_114657/}
}