TY  - JOUR
AU  - M. S. Agranovich
TI  - Series in the root vectors of operators that are very close to being self-adjoint
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1977
SP  - 65
EP  - 67
VL  - 11
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1977_11_4_a6/
LA  - ru
ID  - FAA_1977_11_4_a6
ER  -