%0 Journal Article
%A A. Azamov
%T The measure of nonregularity of quasitriangular systems
%J Differencialʹnye uravneniâ
%D 1975
%P 1497-1500
%V 11
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1975_11_8_a14/
%G ru
%F DE_1975_11_8_a14