%0 Journal Article %A E. V. Shikin %T Isometric embedding of two-dimensional manifolds of negative curvature by the Darboux method %J Matematičeskie zametki %D 1980 %P 779-794 %V 27 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1980_27_5_a9/ %G ru %F MZM_1980_27_5_a9