%0 Journal Article
%A D. G. Azov
%T Estimation of bijective projection area of a surface with negative curvature
%J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika
%D 2013
%P 4-7
%V 5
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VYURM_2013_5_1_a0/
%G ru
%F VYURM_2013_5_1_a0