. "N.I." . "Astrov" . "1868"^^ . _:Bdbff42a5979f27d47f17c4a747cc49d8 . "Astrov, Nicholas J." . . . . "1934"^^ . "Astrov, N.I. (1868-1934)" . "Astrov, Nikolaj Ivanovič" . "N.I. Astrov" . _:Bdbff42a5979f27d47f17c4a747cc49d8 . _:Bdbff42a5979f27d47f17c4a747cc49d8 . _:Bdbff42a5979f27d47f17c4a747cc49d8 "2023-05-21"^^ . _:Bdbff42a5979f27d47f17c4a747cc49d8 . _:Bdbff42a5979f27d47f17c4a747cc49d8 . _:Bdbff42a5979f27d47f17c4a747cc49d8 "070578621" . _:Bdbff42a5979f27d47f17c4a747cc49d8 . _:Bdbff42a5979f27d47f17c4a747cc49d8 . _:Bdbff42a5979f27d47f17c4a747cc49d8 .