@article{PORMA_1947__6_1_114652,
     author = {Schaerf, H.M.},
     title = {Errata to the paper },
     journal = {Portugaliae mathematica},
     pages = {66--66},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {1947},
     mrnumber = {0021072},
     zbl = {0034.18101},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1947__6_1_114652/}
}