Mathematical intelligencer. 2005;27(4):36-38. doi: 10.1007/bf02985858 Q40.42025
Cogwheels of the mind. The story of venn diagrams
DOI: 10.1007/bf02985858
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Mathematical intelligencer. 2005;27(4):36-38. doi: 10.1007/bf02985858 Q40.42025
DOI: 10.1007/bf02985858
摘要 查看摘要