%0 Journal Article
%A Alsina, C.
%A Guijarro, P.
%A Tomás, M. S.
%T Characterizations of inner product structures involving the radius of the inscribed or circumscribed circumference
%J Archivum mathematicum
%D 1996
%P 233-239
%V 32
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ARM_1996__32_3_a6/
%G en
%F ARM_1996__32_3_a6