M. Barrault, Cong Tu Nguyen, A. Patera, Yvon Maday. An `empirical interpolation' method: application to efficient reduced-basis discretization of partial differential equations.
Comptes rendus de l'Académie des sciences. Série I, Mathématique, Elsevier, 2004, 339-9, pp.667-672.
⟨hal-00021702⟩