%0 Journal Article %A Tan, Peter %T A Note on a Theorem of Dynkin on Necessary and Sufficient Statistics %J Canadian mathematical bulletin %D 1969 %P 347-351 %V 12 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-046-5/ %R 10.4153/CMB-1969-046-5 %F 10_4153_CMB_1969_046_5