TY  - JOUR
AU  - Schôichi Ôta
TI  - $q$-deformed circularity for an unbounded
 operator in Hilbert space
JO  - Colloquium Mathematicum
PY  - 2010
SP  - 191
EP  - 199
VL  - 120
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm120-2-2/
DO  - 10.4064/cm120-2-2
LA  - en
ID  - 10_4064_cm120_2_2
ER  -