%0 Journal Article
%A Adam Os/ekowski
%T Sharp Ratio Inequalities for a Conditionally Symmetric Martingale
%J Bulletin of the Polish Academy of Sciences. Mathematics
%D 2010
%P 65-77
%V 58
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ba58-1-8/
%R 10.4064/ba58-1-8
%G en
%F 10_4064_ba58_1_8