@article{Selleri_80_4-1995,
author = "S. Selleri and M. Zoboli",
title = "An Improved Finite Element Method Formulation for the Analysis of Nonlinear Anisotropic Dielectric Waveguides",
volume = "4",
pages = "887--892",
month = "april",
year = "1995",
journal = "IEEE Transactions on Microwave Theory and Thechniques, MTT-43,",
}