%0 Journal Article
%A I. I. Ibragimov
%A M.-B. A. Babayev
%T Methods for finding functions deviating least from functions of several variables
%J Doklady Akademii Nauk
%D 1971
%P 766-769
%V 197
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_197_4_a6/
%G ru
%F DAN_1971_197_4_a6