TY  - JOUR
TI  - Corrections
JO  - Canadian mathematical bulletin
PY  - 1972
SP  - 147
EP  - 147
VL  - 15
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-029-0/
DO  - 10.4153/CMB-1972-029-0
ID  - 10_4153_CMB_1972_029_0
ER  -