TY  - JOUR
AU  - Adam Os/ekowski
TI  - Sharp Norm Inequalities for Martingales and their
 Differential Subordinates
JO  - Bulletin of the Polish Academy of Sciences. Mathematics
PY  - 2007
SP  - 373
EP  - 385
VL  - 55
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ba55-4-9/
DO  - 10.4064/ba55-4-9
LA  - en
ID  - 10_4064_ba55_4_9
ER  -