TY  - JOUR
AU  - M. M. Khapaev
TI  - Asymptotic expansions of the solutions of ordinary linear differential equations in the neighborhood 

JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 1338
EP  - 1341
VL  - 135
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_135_6_a11/
LA  - ru
ID  - DAN_1960_135_6_a11
ER  -