%0 Journal Article
%A V. V. Kovtunets
%T Differential properties of an operator of best approximation of complex-valued functions
%J Informatics and Automation
%D 1987
%P 135-136
%V 180
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a76/
%G ru
%F TRSPY_1987_180_a76