%0 Journal Article
%A E. K. Makarov
%T On boundedness conditions for characteristic sets of solutions of linear multidimensional equations
%J Differencialʹnye uravneniâ
%D 1997
%P 653-657
%V 33
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1997_33_5_a12/
%G ru
%F DE_1997_33_5_a12