%0 Journal Article
%A L. L. Beskorovainaya
%T Canonical $A$-deformations preserving the lengths of lines of curvature on a~surface
%J Sbornik. Mathematics
%D 1975
%P 151-164
%V 26
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1975_26_2_a0/
%G en
%F SM_1975_26_2_a0