Ronald L.Graham,Donald E.Knuth,Oren Patashnik <br/><br/>
Concrete Mathematics 

 - 
 -  Addison-Wesley Publishing  1989 
 - 625 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-201-14236-8 
<br/><br/><label>Dewey Class. No.: </label>51