TY  - JOUR
AU  - P. Newman
TI  - On a theorem of Urbanik
JO  - Fundamenta Mathematicae
PY  - 1958
SP  - 231
EP  - 234
VL  - 46
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-46-2-231-234/
DO  - 10.4064/fm-46-2-231-234
LA  - de
ID  - 10_4064_fm_46_2_231_234
ER  -