%0 Journal Article %A Besse, Christophe %A Bidégaray-Fesquet, Brigitte %A Bourgeade, Antoine %A Degond, Pierre %A Saut, Olivier %T A Maxwell-Bloch model with discrete symmetries for wave propagation in nonlinear crystals : an application to KDP %J ESAIM: Modélisation mathématique et analyse numérique %D 2004 %P 321-344 %V 38 %N 2 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/m2an:2004015/ %R 10.1051/m2an:2004015 %G en %F M2AN_2004__38_2_321_0