Page UMA de David Lassounon Lassounon David Équipe POEMS Pièce 2.2.14 Téléphone (0) 18 187 5083 Stagiaire Publications Prépublication 2022 An optimal control-based numerical method for scalar transmission problems with sign-changing coefficients Patrick Ciarlet Jr., David Lassounon and Mahran Rihani may, 2022