%0 Journal Article
%A V. I. Arnol'd
%T Surfaces defined by hyperbolic equations
%J Matematičeskie zametki
%D 1988
%P 3-18
%V 44
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1988_44_1_a0/
%G ru
%F MZM_1988_44_1_a0