{"id":"000447032","type":"article","title":"Boris Borisovič Piotrovskij, 14.2.1908 - 15.10.1990","pages":"278-281","container-title":"Bayerische Akademie der Wissenschaften. Jahrbuch, 1990.1990","author":[{"family":"Werner","given":"J."}],"issued":{"raw":"1990"}}