Is named after Pavel Tretyakov and his brother Sergei Mikhailovich Tretyakov (1824–1892)
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Is named after Pavel Tretyakov and his brother Sergei Mikhailovich Tretyakov (1824–1892)
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.