%0 Journal Article
%A N. G. Perlova
%T Infinitesimal first- and second-order deformations of ribbed surfaces of revolution, preserving the normal curvature or geodesic torsion of the boundary parallel
%J Matematičeskie zametki
%D 1971
%P 135-144
%V 10
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1971_10_2_a2/
%G ru
%F MZM_1971_10_2_a2