%0 Journal Article
%A V. I. Korobov
%A G. M. Sklyar
%T Letter to the editors: ``Methods for constructing positional controls, and a feasible maximum principle'' [Differentsial'nye Uravneniya \textbf{26} (1990), no. 11, 1914--1924; MR1092085]
%J Differencialʹnye uravneniâ
%D 1991
%P 2201
%V 27
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1991_27_12_a30/
%G ru
%F DE_1991_27_12_a30