%0 Journal Article
%A Şerb, Ioan
%T Rectangular modulus, Birkhoff orthogonality and characterizations of inner product spaces
%J Commentationes Mathematicae Universitatis Carolinae
%D 1999
%P 107-119
%V 40
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1999__40_1_a7/
%G en
%F CMUC_1999__40_1_a7