"Eršov" . "Ершов" . "Ершов, Андрей Петрович" . "1988"^^ . "А.П." . "A.P." . "Eršov, A.P. (1931-1988)" . . "Eršov, Andrej Petrovič" . "Ершов, А.П. (1931-1988)" . "Yershov, Andreĭ Petrovich" . "А.П. Ершов" . "1931"^^ . . . _:B9759f5983799c8134c9e3ec7e61ee49d . "A.P. Eršov" . . "Ershov, Andrei Petrovich" . _:B9759f5983799c8134c9e3ec7e61ee49d . _:B9759f5983799c8134c9e3ec7e61ee49d . _:B9759f5983799c8134c9e3ec7e61ee49d "2023-05-22"^^ . _:B9759f5983799c8134c9e3ec7e61ee49d . _:B9759f5983799c8134c9e3ec7e61ee49d . _:B9759f5983799c8134c9e3ec7e61ee49d "068354150" . _:B9759f5983799c8134c9e3ec7e61ee49d . _:B9759f5983799c8134c9e3ec7e61ee49d . _:B9759f5983799c8134c9e3ec7e61ee49d .