%0 Journal Article %A Dor, Leonard E. %T On Basis Constants and Duality in Banach Spaces %J Canadian mathematical bulletin %D 1979 %P 459-465 %V 22 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1979-059-8/ %R 10.4153/CMB-1979-059-8 %F 10_4153_CMB_1979_059_8