A Maxwell-Bloch model with discrete symmetries for wave propagation in nonlinear crystals: an application to KDPChristophe Besse, Brigitte Bidégaray-Fesquet, Antoine Bourgeade, Pierre Degond and Olivier SautESAIM: M2AN, 38 2 (2004) 321-344DOI: https://doi.org/10.1051/m2an:2004015
