TY - JOUR AU - Rodrigo BaƱuelos AU - Adam Osekowski TI - Martingales and sharp bounds for Fourier multipliers JO - Annales Fennici Mathematici PY - 2012 SP - 251 EP - 263 VL - 37 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2012.3710/ DO - 10.5186/aasfm.2012.3710 LA - en ID - AFM_2012_37_1_a18 ER -