%0 Journal Article %A È. G. Poznyak %T Isometric immersions of two-dimensional Riemannian metrics in euclidean space %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1973 %P 47-77 %V 28 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1973_28_4_a2/ %G en %F RM_1973_28_4_a2