丁永坤2019-09-252019-09-252017-03-032008-03-28http://hdl.handle.net/20.500.12424/483677chiWith permission of the license/copyright holder纪念徐光启暨《几何原本》翻译出版四百周年 [Xu Guangqi and the 400th Anniversary of His Translated Work Elements of Geometry]Article