Hungarian problem book. II. Based on the Eötvös Competitions, 1906-1928
Revised and edited by G. Hajós, G. Neukomm, J. Surányi; originally compiled by József Kürsch 'ak
Hungarian problem book. II. Based on the Eötvös Competitions, 1906-1928 - 1963
00HA
Hungarian problem book. II. Based on the Eötvös Competitions, 1906-1928 - 1963
00HA