Karpinski L. C., The algebra of Abu Shoja ben Aslam

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Cajori F., On the Spanish symbol U for “thousands”

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Mikami Y., The rectification of the ellipse by Japanese mathematicians

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The Roman herald : a weekly newspaper of general information, archeology, literature and art (1912:15 lug., fasc. 669)

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The Roman herald : a weekly newspaper of general information, archeology, literature and art (1912:3 feb., fasc. 653)

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The Roman herald : a weekly newspaper of general information, archeology, literature and art (1912:24 feb., fasc. 656)

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The Roman herald : a weekly newspaper of general information, archeology, literature and art (1912:16 nov., fasc. 676)

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The Roman herald : a weekly newspaper of general information, archeology, literature and art (1912:17 feb., fasc. 655)

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The Roman herald : a weekly newspaper of general information, archeology, literature and art (1912:9 mar., fasc. 658)

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The Roman herald : a weekly newspaper of general information, archeology, literature and art (1912:27 gen., fasc. 652)

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