TY - JOUR AU - Mcarthur, C. W. AU - Singer, Ivan AU - Levin, Mark TI - On the Cones Associated with Biorthogonal Systems and Bases in Banach Spaces JO - Canadian journal of mathematics PY - 1969 SP - 1206 EP - 1217 VL - 21 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-133-7/ DO - 10.4153/CJM-1969-133-7 ID - 10_4153_CJM_1969_133_7 ER -