@article{JDM_1930__39_145844,
     author = {A. Zygmund},
     title = {\"Uber einseitige {Lokalisation.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {47--51},
     publisher = {mathdoc},
     volume = {39},
     year = {1930},
     zbl = {56.0245.01},
     url = {http://geodesic.mathdoc.fr/item/JDM_1930__39_145844/}
}