%0 Journal Article
%A L. I. Vorob'eva
%T Estimate of the upper bound on the Gaussian curvature of certain surfaces with boundary
%J Matematičeskie zametki
%D 1976
%P 113-120
%V 20
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1976_20_1_a11/
%G ru
%F MZM_1976_20_1_a11