International mathematical olympiads 1959-1977 
compiled and with solutions by Samuel L. Greitzer 
 - Washington, D.C. :  The Mathematical Association of America,  1978 
 - x, 204 p. :  il. 
 - New mathematical library  ; 27 .
<br/><br/>Bibliografía: p. 203-204 
<br/><br/><label>ISBN: </label>0883856271 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATEMATICAS--PROBLEMAS, EJERCICIOS, ETC.<br/>MATEMATICAS RECREATIVAS
<br/><br/><label>Dewey Class. No.: </label>510.76  / I61