TY - JOUR AU - ERLING FOLNER TI - Note on groups with and without full Banach mean value JO - Mathematica Scandinavica PY - 1957 SP - 5 EP - 11 VL - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1957__5_165643/ ID - MS2_1957__5_165643 ER -