TY  - JOUR
AU  - S. N. Naboko
TI  - Structure of the singularities of operator functions with a positive imaginary part
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1991
SP  - 1
EP  - 13
VL  - 25
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1991_25_4_a0/
LA  - ru
ID  - FAA_1991_25_4_a0
ER  -