@article {16337,
	title = {DERIVATION AND JORDAN OPERATORS},
	journal = {Integr. equ. oper. theory},
	volume = {28},
	year = {1997},
	pages = {120 - 124},
	abstract = {For A E/:(H) ( the algebra of all operators on the complex Hilbert space H)~ let 5Adenote the operator on/~(H) defined by : (~A(X) = AX - XA.We show here that for all Jordan operators A : R(SA) N {A*){\textquoteright} = {0}, where R(6A) isthe range of 6A and (A*}; is the commntant of the adjoint of A.},
	author = {Seddik. A}
}
