%0 Journal Article
%A E. V. Shikin
%T On regular embedding integrally in $R^3$ of metrics of class $C^4$ of negative curvature
%J Matematičeskie zametki
%D 1973
%P 261-266
%V 14
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1973_14_2_a11/
%G ru
%F MZM_1973_14_2_a11