Poincaré - Poincaré, Henri, <1854-1912>. (OLS)http://semarc/name/10921; Severi, Francesco, <1879-1961>. (OLS)http://semarc/name/23151 (L'arco,, 1949)
Keywords: Scienze e filosofia. (OLS)http://semarc/subject/421