%0 Journal Article
%A E. M. Polishchuk
%T Some new relations between control systems and equations of mathematical physics.~I
%J Differencialʹnye uravneniâ
%D 1972
%P 333-348
%V 8
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_2_a14/
%G ru
%F DE_1972_8_2_a14