%0 Journal Article %A B. Yousefi %T Unicellularity of the multiplication operator on Banach spaces of formal power series %J Studia Mathematica %D 2001 %P 201-209 %V 147 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm147-3-1/ %R 10.4064/sm147-3-1 %G en %F 10_4064_sm147_3_1