TY  - JOUR
AU  - V. G. Dolgolaptev
TI  - Basicity of the root vectors of weakly perturbed operators
JO  - Matematičeskie zametki
PY  - 1983
SP  - 867
EP  - 872
VL  - 34
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1983_34_6_a7/
LA  - ru
ID  - MZM_1983_34_6_a7
ER  -