[Leon Abgarovich Orbeli and Ezras Astratovich Asratian (the history of their relations in documents)].
Grigor'ian
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D049673:History, 20th Century; D010827:Physiology / Q000266:history*; D012106:Research / Q000266:history; D014586:USSR
Leon Abgarovich Orbeli i Ezras Astratovich Asratian (istoriia vzaimootnosheniĭ v dokumentakh).