%0 Journal Article %A B. Mitjagin %T Fréchet spaces with a unique unconditional basis %J Studia Mathematica %D 1970 %P 23-34 %V 38 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-38-1-23-34/ %R 10.4064/sm-38-1-23-34 %G fr %F 10_4064_sm_38_1_23_34