TY  - JOUR
AU  - V. M. Manuilov
TI  - Pairs of operators with equal defect from unitarity and their relative index
JO  - Sbornik. Mathematics
PY  - 2017
SP  - 1523
EP  - 1534
VL  - 208
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2017_208_10_a5/
LA  - en
ID  - SM_2017_208_10_a5
ER  -