Interaction of Electromagnetic S-Wave with a Metal Film Located Between   Two Dielectric Mediums
  Generalization of the theory of interaction of electromagnetic S-wave with a metal film on a case of the film concluded between two dielectric environments is developed. 
A.V. Latyshev and A.A. Yushkanov
math-ph cond-mat.mes-hall math.MP physics.optics physics.plasm-ph