TY  - JOUR
TI  - Montreal, Mathematical Colloquium
JO  - Canadian mathematical bulletin
PY  - 1958
SP  - 146
EP  - 147
VL  - 1
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S000843950002484X/
DO  - 10.1017/S000843950002484X
ID  - 10_1017_S000843950002484X
ER  -