TY  - JOUR
TI  - Journal of Applied Probability
JO  - Canadian mathematical bulletin
PY  - 1964
SP  - 171
EP  - 171
VL  - 7
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S000843950002703X/
DO  - 10.1017/S000843950002703X
ID  - 10_1017_S000843950002703X
ER  -