%0 Journal Article %A S. S. Volosivets %T Hardy and Bellman transformations of series with respect to multiplicative systems %J Sbornik. Mathematics %D 2008 %P 1111-1137 %V 199 %N 8 %U http://geodesic.mathdoc.fr/item/SM_2008_199_8_a0/ %G en %F SM_2008_199_8_a0