Pavel Urysohn (1898 - 1924) was an Ukrainian mathematician best known for Urysohn Metrization Theorem and Urysohn's lemma in topology.IPA:
['pɑːvɛl ɔri'sən]
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Pavel Urysohn (1898 - 1924) was an Ukrainian mathematician best known for Urysohn Metrization Theorem and Urysohn's lemma in topology.