Nikolski N.K. <br/><br/>
Operators,Functions and Systems: An Easy Reading. V.1,2 
Nikolski N.K. 
 - Providence  American Math. Society  2002 
 - 461 p. 
<br/><br/> V.1:Hardy,Hankel, and Toeplitz.(Math.Surveys and Monographs V.92) 
<br/><br/><label>Dewey Class. No.: </label>517.982