TY - JOUR SN - 0002-9939 IS - 2 VL - 55 SP - 345 AV - public ID - heidok29062 JF - Proceedings of the American Mathematical Society Y1 - 1976/03// UR - https://archiv.ub.uni-heidelberg.de/volltextserver/29062/ EP - 346 A1 - Leinert, Michael TI - A commutative Banach algebra which factorizes but has no approximate units PB - American Mathematical Society CY - Providence, RI ER -