Letter from Professor R. H. Thurston
- 期刊名称Scientific American
- 卷第27卷
- 期第11期
- 印刷ISSN0036-8733
- 文件大小454.81KB
- 发表时间1872-9-14
- DOI10.1038/scientificamerican09141872-168c
- 页码168-169
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