%0 Journal Article
%A B. L. Lin
%A I. Singer
%T On conditional bases of \(\ell^2\)
%J Commentationes Mathematicae
%D 1971
%P  135-139
%V 15
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/cm.v15i1.5713/
%R 10.14708/cm.v15i1.5713
%G pl
%F 10_14708_cm_v15i1_5713