%0 Journal Article
%A B. Aqzzouz
%A M. Kadiri
%T Infinite dimensional extension of A.\,P.~Calder\'on's theorem on positive semidefinite biquadraric forms
%J Lobachevskii journal of mathematics
%D 2002
%P 3-8
%V 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/LJM_2002_10_a0/
%G en
%F LJM_2002_10_a0