TY  - JOUR
TI  - On a Theorem of Niven
JO  - Canadian mathematical bulletin
PY  - 1968
SP  - 145
EP  - 145
VL  - 11
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-018-5/
DO  - 10.4153/CMB-1968-018-5
ID  - 10_4153_CMB_1968_018_5
ER  -