On propagation in an electromagnetic waveguide with concentrated dissipation N. Turbe — 1998 ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique
On the Maxwell's system in composite media A. Oster; N. Turbe — 1993 ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique