@article{PORMA_1954__13_4_114742,
     author = {Farinha, Jo\~ao},
     title = {Sur la convergence de $\varphi a_i/l$},
     journal = {Portugaliae mathematica},
     pages = {145--148},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {1954},
     mrnumber = {0068652},
     zbl = {0057.29603},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1954__13_4_114742/}
}