Wilf, Herbert S. <br/><br/>
Finite sections of some classical inequalities 

 - Berlin  Springer-Verlag  1970 
 - 82 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hilbert space
<br/><br/><label>Dewey Class. No.: </label>515.73  / WIL