%0 Journal Article %A Holub, J. R. %A Retherford, J. R. %T A Note on Unconditional Bases %J Canadian mathematical bulletin %D 1972 %P 369-372 %V 15 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-067-1/ %R 10.4153/CMB-1972-067-1 %F 10_4153_CMB_1972_067_1