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Letters

Henri Poincaré

URL	http://books.google.com.hk/books?id=11yVtwAACAAJ&hl=&source=gbs_api

註釋

Nine A.L.S., most undated, including one (1892 June 20, Le Touquet) possibly to Appell about Darboux, several letters concerning affairs of the Academie des Sciences, and 1 T.L.S. (1907 May 10, Paris) with A. envelope ; in French.