%0 Journal Article
%A I. G. Solovyev
%T The method of comparison systems, based on input-output models, in
%J Doklady Akademii Nauk
%D 1989
%P 291-293
%V 305
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_305_2_a8/
%G ru
%F DAN_1989_305_2_a8