. "oh"@nl . "Popivanov" . "Ivanov, Georgi p." . "Georgi Popivanov" . _:Babeb6c049a9f1c0e9d72a4a536e78d51 . "Popivanov, Georgi (fl.1930)" . . "Georgi" . . _:Babeb6c049a9f1c0e9d72a4a536e78d51 . _:Babeb6c049a9f1c0e9d72a4a536e78d51 . _:Babeb6c049a9f1c0e9d72a4a536e78d51 "2023-05-22"^^ . _:Babeb6c049a9f1c0e9d72a4a536e78d51 . _:Babeb6c049a9f1c0e9d72a4a536e78d51 . _:Babeb6c049a9f1c0e9d72a4a536e78d51 "129019054" . _:Babeb6c049a9f1c0e9d72a4a536e78d51 . _:Babeb6c049a9f1c0e9d72a4a536e78d51 . _:Babeb6c049a9f1c0e9d72a4a536e78d51 .