Klee, Victor <br/><br/>
Old and new unsolved problems in plane geometry and number theory 
Victor Klee, Stan Wagon. 
 - Washington, D.C.  The Mathematical Association of America  1991. 
 - Dolciani mathematical expositions  no. 11. .
<br/><br/> Borrar en julio 1993. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label> 26.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Plane<br/>Number theory.