@article{10_4064_fm_46_2_231_234,
     author = {P. Newman},
     title = {On a theorem of {Urbanik}},
     journal = {Fundamenta Mathematicae},
     pages = {231--234},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1958},
     doi = {10.4064/fm-46-2-231-234},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-46-2-231-234/}
}