TY - JOUR AU - SIGURDUR HELGASON TI - A characterization of the intersection of L1-spaces JO - Mathematica Scandinavica PY - 1956 SP - 5 EP - 8 VL - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1956__4_165603/ ID - MS2_1956__4_165603 ER -