Introduction to algorithms/  a creative approach 
Manber,Udi 
 - 1st ed. 
 - California:  Addison-Wesley Publishing Company,  1989. 
 - 478 p. 
<br/><br/><label>ISBN: </label>0201120372 
<br/><br/><label>Dewey Class. No.: </label>005.73  / MAN/I