%0 Journal Article
%A P. Burgmeier
%T Controllability of systems with distributed parameters that can be described by $m$th-order Goursat--Darboux systems
%J Differencialʹnye uravneniâ
%D 1989
%P 1947-1956
%V 25
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_11_a16/
%G ru
%F DE_1989_25_11_a16