(P7726)

Data type

External identifier

Statements

Q19847637 (Deleted Item)
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Q1130535 (Deleted Item)
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Q21873974 (Deleted Item)
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Q21502410 (Deleted Item)
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Q19474404 (Deleted Item)
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Q21502404 (Deleted Item)
[0-9A-Za-z][0-9A-Za-z\-]*
Q21502408 (Deleted Item)
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Q52004125 (Deleted Item)
Q29934200 (Deleted Item)
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Q53869507 (Deleted Item)
Q54828448 (Deleted Item)
Q54828450 (Deleted Item)
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[0-9A-Za-z\-]+
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^https?:\/\/planetmath\.org\/([\w\-]+)
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