50 mathematical puzzles and problems :  orange collection : from the International Championship of Mathematics / 
 Fifty mathematical puzzles and problems 
Gilles Cohen, editor 
 - 86 páginas :  ilustraciones 
<br/><br/><label>ISBN: </label>1559534990 (orange collection) 9781559534994 (orange collection) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemáticas recreativas
<br/><br/><label>LC Class. No.: </label>QA95  / F54 
<br/><br/><label>Dewey Class. No.: </label>793.74