"Louis" . "1880"^^ . "Halphen, Louis (1880-1950)" . . _:Bcef0cfb292b1d9b2529f771737066c07 . . . "Halphen" . . "1950"^^ . "Louis Halphen" . _:Bcef0cfb292b1d9b2529f771737066c07 . _:Bcef0cfb292b1d9b2529f771737066c07 . _:Bcef0cfb292b1d9b2529f771737066c07 "2023-05-20"^^ . _:Bcef0cfb292b1d9b2529f771737066c07 . _:Bcef0cfb292b1d9b2529f771737066c07 . _:Bcef0cfb292b1d9b2529f771737066c07 "068434715" . _:Bcef0cfb292b1d9b2529f771737066c07 . _:Bcef0cfb292b1d9b2529f771737066c07 . _:Bcef0cfb292b1d9b2529f771737066c07 .