Ulam, S. M. <br/><br/>
Problems in modern mathematics :  a collection of mathematical problems / 
Ulam, S. M. 
 - New York  John wiley & sons  1960 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Methametics
<br/><br/><label>Dewey Class. No.: </label>510  / ULA