Hajos, G., Ed. Hungarian problem, Book I ed. by G. Hajos et.al comp. by Jozsef Kurschak, tr. by Elvira Rapaport - Washington Math.Assn.of America 1963 - vi, 111p - New Mathematical Library . LCCN: 63-16149 Dewey Class. No.: 510.79 / N63.1