TY - JOUR AU - Adam Osękowski TI - Inequalities for second-order Riesz transforms associated with Bessel expansions JO - Bulletin of the Polish Academy of Sciences. Mathematics PY - 2020 SP - 75 EP - 88 VL - 68 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ba200302-5-10/ DO - 10.4064/ba200302-5-10 LA - en ID - 10_4064_ba200302_5_10 ER -