_:B7b57a47c6b7ae4903bbc638745e1f79a . "Jean-Christian" . "Petitfils" . "1944"^^ . "Jean-Christian Petitfils" . . . "Petitfils, Jean-Christian (1944-)" . . _:B7b57a47c6b7ae4903bbc638745e1f79a . _:B7b57a47c6b7ae4903bbc638745e1f79a . _:B7b57a47c6b7ae4903bbc638745e1f79a "2023-05-21"^^ . _:B7b57a47c6b7ae4903bbc638745e1f79a . _:B7b57a47c6b7ae4903bbc638745e1f79a . _:B7b57a47c6b7ae4903bbc638745e1f79a "069307393" . _:B7b57a47c6b7ae4903bbc638745e1f79a . _:B7b57a47c6b7ae4903bbc638745e1f79a . _:B7b57a47c6b7ae4903bbc638745e1f79a .