%0 Journal Article %A Keown, R. %A Conatser, C. %T Biorthogonal Systems in lp -Spaces %J Canadian journal of mathematics %D 1969 %P 625-638 %V 21 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-071-6/ %R 10.4153/CJM-1969-071-6 %F 10_4153_CJM_1969_071_6