TY  - JOUR
AU  - N. S. Sahakyan
TI  - Asymptotic expansions with respect to the spectral parameter of solutions of linear differential equations in the case of roots of the characteristic equation
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 1095
EP  - 1097
VL  - 20
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_6_a24/
LA  - ru
ID  - DE_1984_20_6_a24
ER  -