%0 Journal Article
%A M. D. Kovalev
%T Quadratic and Rigidity Mappings
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2002
%P 195-214
%V 239
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_2002_239_a12/
%G ru
%F TM_2002_239_a12