%0 Journal Article
%A V. V. Kucherenko
%A Yu. V. Osipov
%T Exact and asymptotic solutions of systems with turning points
%J Izvestiya. Mathematics 
%D 1987
%P 355-370
%V 29
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1987_29_2_a4/
%G en
%F IM2_1987_29_2_a4