%0 Journal Article
%A N. G. Perlova
%T On the relation between the rigidity of order $k>3$ and analytic nonformability of surfaces
%J Žurnal matematičeskoj fiziki, analiza, geometrii
%D 1995
%P 456-462
%V 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JMAG_1995_2_a15/
%G ru
%F JMAG_1995_2_a15