Rendiconti del Circolo Matematico di Palermo (1884-1940)December 1893, Volume 7, Issue 1, pp 50–50 | Cite asJahrhuch üher die Fortschritte der Mathematik. BerlinArticleFirst Online: 23 December 2008 7 Downloads This is a preview of subscription content, log in to check access.Copyright information© Springer 1893