Hungarian problem book :  based on the eötvös competitions 1894-1905 / 
edition : G. Hajós. 
 - 2 volúmenes :  ilustraciones. . 
 - New mathematical library .
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATEMATICAS--PROBLEMAS, EJERCICIOS, ETC.
<br/><br/><label>Dewey Class. No.: </label>510