. _:B1fef8fe61aa865b549f307312a088c4d . "Berg" . "1893"^^ . "Berg, Akselʹ Ivanovič" . . "1979"^^ . . "A.I." . . "A.I. Berg" . "Berg, A.I. (1893-1979)" . _:B1fef8fe61aa865b549f307312a088c4d . _:B1fef8fe61aa865b549f307312a088c4d . _:B1fef8fe61aa865b549f307312a088c4d "2023-05-19"^^ . _:B1fef8fe61aa865b549f307312a088c4d . _:B1fef8fe61aa865b549f307312a088c4d . _:B1fef8fe61aa865b549f307312a088c4d "113639805" . _:B1fef8fe61aa865b549f307312a088c4d . _:B1fef8fe61aa865b549f307312a088c4d . _:B1fef8fe61aa865b549f307312a088c4d .