TY - JOUR AU - S. S. Volosivets TI - Hardy and Bellman transformations of series with respect to multiplicative systems JO - Sbornik. Mathematics PY - 2008 SP - 1111 EP - 1137 VL - 199 IS - 8 UR - http://geodesic.mathdoc.fr/item/SM_2008_199_8_a0/ LA - en ID - SM_2008_199_8_a0 ER -