Croft, Hallard T., <br/><br/>
Unsolved problems in geometry / 
Hallard t. croft, kennth j. falconer, Richard k. guy 
 - 198 páginas 
 - Unsolved problems in intuitive mathematics ;  v.2 .
<br/><br/><label>ISBN: </label>0387975063 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometría
<br/><br/><label>LC Class. No.: </label>QA43  / C54