TY  - JOUR
AU  - È. R. Tsekanovskii
TI  - The real and imaginary parts of an unbounded operator
JO  - Doklady Akademii Nauk
PY  - 1961
SP  - 48
EP  - 51
VL  - 139
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1961_139_1_a11/
LA  - ru
ID  - DAN_1961_139_1_a11
ER  -