_:B4fc2f84da55b7ad4598bb7b7ea2cbe4d . "Boris" . "Rumenov" . "Boris Rumenov" . . . . "Rumenov, Boris" . . _:B4fc2f84da55b7ad4598bb7b7ea2cbe4d . _:B4fc2f84da55b7ad4598bb7b7ea2cbe4d . _:B4fc2f84da55b7ad4598bb7b7ea2cbe4d "2023-05-22"^^ . _:B4fc2f84da55b7ad4598bb7b7ea2cbe4d . _:B4fc2f84da55b7ad4598bb7b7ea2cbe4d . _:B4fc2f84da55b7ad4598bb7b7ea2cbe4d "138443351" . _:B4fc2f84da55b7ad4598bb7b7ea2cbe4d . _:B4fc2f84da55b7ad4598bb7b7ea2cbe4d . _:B4fc2f84da55b7ad4598bb7b7ea2cbe4d .