Mathematical plums / 
edt. by R. Honsburger. 
 - New York :  Mathematical Association of America,  1979. 
 - IX, 182 p. :  ill. ;  22 cm. 
 - Dolciani mathematical exposition  N 4 .
<br/><br/>Index 181-182 
<br/><br/><label>ISBN: </label>0-88385-300-0 0-88385-304-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics