Knuth, Donald E. <br/><br/>
Art of computer programming :  mathematical preliminaries redux, introduction to backtracking, dancing links - Vol. 4 

 - Boston:  Addison-Wesley,  2020.  Pearson,  2020. 
 - viii, 383 p. 
 -  Vol. 4 .
<br/><br/><label>ISBN: </label>9780134671796 0134671791 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Programming
<br/><br/><label>Dewey Class. No.: </label>001.642 KNU