TY - JOUR AU - K.R. Ahre TI - On the closure of B1 [0,...)j. JO - Semigroup forum PY - 1986 SP - 269 EP - 272 VL - 33 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1986__33_134811/ ID - SF_1986__33_134811 ER -