%0 Journal Article %A Mcarthur, C. W. %A Singer, Ivan %A Levin, Mark %T On the Cones Associated with Biorthogonal Systems and Bases in Banach Spaces %J Canadian journal of mathematics %D 1969 %P 1206-1217 %V 21 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-133-7/ %R 10.4153/CJM-1969-133-7 %F 10_4153_CJM_1969_133_7