TY  - JOUR
AU  - V. V. Ditkin
TI  - An iterative method for solving an eigenvalue problem in the case of a multiple spectrum
JO  - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
PY  - 1987
SP  - 1771
EP  - 1779
VL  - 27
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZVMMF_1987_27_12_a1/
LA  - ru
ID  - ZVMMF_1987_27_12_a1
ER  -