%0 Journal Article
%A I. V. Petrova
%T Approximation on a~hyperboloid in the $L_2$-metric
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1992
%P 215-228
%V 194
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1992_194_a13/
%G ru
%F TM_1992_194_a13