TY  - JOUR
AU  - M. I. Vishik
AU  - L. A. Lyusternik
TI  - The asymptotic behaviour of solutions of linear differential equations with large or quickly changing coefficients and boundary conditions
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1960
SP  - 23
EP  - 91
VL  - 15
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1960_15_4_a1/
LA  - en
ID  - RM_1960_15_4_a1
ER  -