TY  - JOUR
AU  - Al-Hussaini, A. N.
TI  - On Characterizations of Conditional Expectation
JO  - Canadian mathematical bulletin
PY  - 1973
SP  - 161
EP  - 163
VL  - 16
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-028-9/
DO  - 10.4153/CMB-1973-028-9
ID  - 10_4153_CMB_1973_028_9
ER  -