TY - JOUR AU - B. Yousefi TI - Unicellularity of the multiplication operator on Banach spaces of formal power series JO - Studia Mathematica PY - 2001 SP - 201 EP - 209 VL - 147 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm147-3-1/ DO - 10.4064/sm147-3-1 LA - en ID - 10_4064_sm147_3_1 ER -