TY  - JOUR
AU  - Weaver, Robert J.
TI  - Refinement Conditions on Operations in Sample Spaces
JO  - Canadian journal of mathematics
PY  - 1975
SP  - 991
EP  - 999
VL  - 27
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-103-8/
DO  - 10.4153/CJM-1975-103-8
ID  - 10_4153_CJM_1975_103_8
ER  -