%0 Journal Article
%A I. V. Gaishun
%T Approximate controllability of two-parameter discrete systems with commuting operators
%J Differencialʹnye uravneniâ
%D 1995
%P 939-948
%V 31
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1995_31_6_a2/
%G ru
%F DE_1995_31_6_a2