TY  - JOUR
N1  - Bibliogr.: 444. p.
EP  - 444
JF  - Acta scientiarum mathematicarum
IS  - 3-4
SP  - 441
SN  - 0001-6969
A1  -  Kittaneh Fuad
Y1  - 1984///
AV  - public
ID  - acta14990
UR  - http://www.acta.hu
KW  - Matematika
TI  - Some characterizations of self-adjoint operators
VL  - 47
ER  -