1. Handbook of Mathematical Functions;Abramowitz,1972
2. A local boundary condition coupled to a finite element method to compute guided modes of optical fibers under the weak guidance assumptions;Bekkey;Math. Methods Appl. Sci.,2000
3. A.S. Bonnet, R. Djellouli, Calcul des modes guidés d'une fibre optique, Rapport Interne CMAP Nr. 82, 1988
4. Spectral approximation of a boundary condition for an eigenvalue problem;Bonnet;SIAM J. Numer. Anal.,1995
5. Methods of Modern Mathematical Physics, vol. 2;Reed,1978