%0 Journal Article
%A A. G. Chentsov
%T To the question about precise and approximate validity in abstract control problem
%J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki
%D 2010
%P 29-48
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VUU_2010_2_a2/
%G ru
%F VUU_2010_2_a2