TY  - JOUR
AU  - M. А. Barnovska
TI  - Asymptotic representation of the spectral matrix of a fourth-order differential operator
JO  - Doklady Akademii Nauk
PY  - 1965
SP  - 1223
EP  - 1225
VL  - 162
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1965_162_6_a2/
LA  - ru
ID  - DAN_1965_162_6_a2
ER  -