@article{PORMA_1941__2_1_114571,
     author = {Sebasti\~ao e Silva, J.},
     title = {Problemas relativos a fun\c{c}\~oes racionais das ra{\'\i}zes duma equa\c{c}\~ao alg\'ebrica},
     journal = {Portugaliae mathematica},
     pages = {20--35},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1941},
     mrnumber = {0004217},
     zbl = {0024.28905},
     language = {pt},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1941__2_1_114571/}
}