%0 Journal Article
%A A. N. Tikhonov
%T Approximate functional equations of the first kind
%J Informatics and Automation
%D 1981
%P 197-202
%V 158
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1981_158_a16/
%G ru
%F TRSPY_1981_158_a16