%0 Journal Article
%A N. V. Khusnutdinova
%T On the structure of the domain of degeneration of a system of
%J Doklady Akademii Nauk
%D 1989
%P 45-49
%V 307
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_307_1_a9/
%G ru
%F DAN_1989_307_1_a9