%0 Journal Article
%A I. V. Petrova
%T Approximation on a~hyperboloid in the $L_2$-metric
%J Informatics and Automation
%D 1992
%P 215-228
%V 194
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1992_194_a13/
%G ru
%F TRSPY_1992_194_a13