%0 Journal Article
%A J. Schäffer
%T Another characterization of Hilbert spaces
%J Studia Mathematica
%D 1964
%P 271-276
%V 25
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-25-3-271-276/
%R 10.4064/sm-25-3-271-276
%G en
%F 10_4064_sm_25_3_271_276