Collatz, L. <br/><br/>
Optimization Problems 
/ bny L. Collatz 
 - New York:  Springer- Verlag,   1975. 
 - ix, 356p.; 
<br/><br/><label>ISBN: </label>0387901434 
<br/><br/><label>Dewey Class. No.: </label>519.7  / COL/O