%0 Journal Article %A V. F. Gaposhkin %T On the convergence of series of weakly multiplicative systems of functions %J Sbornik. Mathematics %D 1972 %P 361-372 %V 18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1972_18_3_a0/ %G en %F SM_1972_18_3_a0