TY  - JOUR
AU  - V. V. Kucherenko
AU  - Yu. V. Osipov
TI  - Exact and asymptotic solutions of systems with turning points
JO  - Izvestiya. Mathematics 
PY  - 1987
SP  - 355
EP  - 370
VL  - 29
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1987_29_2_a4/
LA  - en
ID  - IM2_1987_29_2_a4
ER  -