TY  - JOUR
AU  - Feigelstock, Shalom
TI  - On a Paper of G. Mason
JO  - Canadian mathematical bulletin
PY  - 1981
SP  - 247
EP  - 248
VL  - 24
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-040-7/
DO  - 10.4153/CMB-1981-040-7
ID  - 10_4153_CMB_1981_040_7
ER  -