%0 Journal Article
%A V. E. Balabaev
%T Constructive solution of ellipticity problem for the first order differential systems
%J Modelirovanie i analiz informacionnyh sistem
%D 2017
%P 655-670
%V 24
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAIS_2017_24_5_a9/
%G ru
%F MAIS_2017_24_5_a9